The natural pools of the hot springs at Thuès-les-Bains

Tired of long Catalan hikes?
Treat yourself to a relaxing afternoon with a hot outdoor bath in the heart of the Entre-Valls forest, with views of the foothills of the Estallades and El Fornas. All this is free of charge in natural pools at a public site, spotlessly clean, not far from the majestic arches of the Yellow Train railway bridge. Unforgettable memories!

Details

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  • Walking
    Activity: Walking
  • ↔
    Distance: 2.33 mi
  • ◔
    Average duration: 1h 25 
  • ▲
    Difficulty: Moderate

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 354 ft
  • ↘
    Descent: - 338 ft

  • ▲
    Highest point: 2,746 ft
  • ▼
    Lowest point: 2,566 ft
  • ⚐ Country: France
  • ⚐
    Area: Pyrenees
  • ⚐ City: Canaveilles (66360)
  • ⚑
    Start/End: N 42.525224° / E 2.226044°
  • ❏
    IGN map(s): Ref. 2249ET, 2249ETR, 2250ET, 2250ETR
  • Hour-by-hour weather

Photos

Description of the walk

Coming from Serdinya and Olette, pass the Défilé des Graus, the Pont des Bains in front of the Le Mas des Sources specialised care home (formerly a spa centre, now a specialised care home for adults with disabilities).

Continue for about 2 km after the Pont des Bains exit on the right bank of the Têt, cross another bridge and park on the right (i.e. left bank) in a small car park with about twenty spaces.
See details in the Practical Information section.

(S/E) Put on a yellow vest and cross the bridge on the same side as the car park, on the very narrow left-hand side, keeping close to the parapet and facing the traffic, heading towards the climb to Mont-Louis.
50 m after the car park, in the bend, carefully cross the RN116 perpendicularly. It is extremely busy, both in summer and winter.
See recommendations in the Practical Information section below.

(1) Take the Las Ribas path opposite, which used to be blocked to traffic by a large rock.
Reach the platform of the old Thuès-Caranca Yellow Train station. Cross the tracks at the crossing protected by two gates.
See recommendations in the Practical Information section below.

Then take a narrow path on the left, clearly marked on the IGN map, called Chemin de Las Ayguès Calentes (Hot Waters). Go behind the tall building (former electrical substation) and walk for about 1.4 km, directly under the high-voltage power line . See details in the Practical Information section.

Cross three streams, which are mostly dry and invisible: the Còrrec (stream in Catalan) de l'Església, the Còrrec d'Entrevalls and the Còrrec del Camp de l'Era, which are roughly equidistant from each other.

Do not stop at the artificial pools on private land to the right of the path!

(2) Pass a rock shelter on the edge of the path, marked with a red mark on a white background.

(3) Turn left and descend. The path continues, passing under the high-voltage power line one last time and running alongside the railway fence before reaching the three-arch Train Jaune viaduct and the Torrent de Faget, just downstream from the Cascade (hot) thermal spring mentioned on the IGN map.

Cross the stream via a small handmade concrete bridge, do not pass under the arches of the viaduct, and continue on the right-hand side of the path that climbs to the hot spring and runs alongside the (very hot) water pipe that supplies the nearby former spa centre: on the right, the path climbs to the warm pools, see § During the hike or nearby further on. Climb through the fairly dense vegetation, following the pipe.

(5) After about 100 metres and a 30-metre climb, you will reach the pools. Natural pools have been roughly constructed here with a few stones acting as dams. A waterfall from the stream flows into a pothole where the hot spring itself flows. It is very picturesque!
The very hot spring (>60°C) flows into a first pool, which flows into a second, then a third, allowing you to enjoy water at different temperatures.

Please follow the instructions listed in § Practical information.

The return journey is via the same route to the car park (S/E).

NB: if you have come with several hikers, the driver alone can go and fetch their car and pick up the passengers at the start of the trail; this is safer than travelling in a group on the RN116.

Waypoints

  1. S/E : mi 0 - alt. 2,651 ft - Take the path on the right
  2. 1 : mi 0.05 - alt. 2,657 ft - Leave the road – Take the track on the right
  3. 2 : mi 1.01 - alt. 2,657 ft - Rock shelter by the side of the path
  4. 3 : mi 1.07 - alt. 2,657 ft - At the fork in the road – Turn left, stay below the line
  5. 4 : mi 1.14 - alt. 2,572 ft - Under the Faget Torrent Bridge – Turn right
  6. 5 : mi 1.16 - alt. 2,585 ft - Hot spring and natural pools
  7. S/E : mi 2.33 - alt. 2,651 ft - Thuès-Entre-Valls Bridge car park

Notes

(S) If all the spaces in the car park at the start are full – particularly in July and August – (or if you wish to avoid crossing the RN at this point), continue for 400 m, enter the village of Thuès-Entre-Valls and look for the car park (sometimes subject to a charge) for the Gorges de la Carançà. Then make your way to the old railway station, just past the waypoint (1), via the village’s narrow streets, Rue de Carança and Rue du Village de l’Eglise; an IGN map is essential to avoid getting lost.

Details of the main path between (1) and (4)
Whilst the historic trail is the one shown on maps as the ‘Chemin de Las Ayguès Calentes’, in practice there are several possible routes.
On this particular route, we’ll opt for the “Sentier des Electriciens”, which runs from one high-voltage pylon to another, following ÉNEDIS paths and sections of local council land. It is partially signposted with red markings on a White Rectangle. This is the busiest path and therefore the best marked. The others are sometimes overgrown with vegetation or are simply the tops of terraces, rather than proper, passable paths.
On the main path, you’ll find numerous side paths branching off to the left or right. Do not take these; stay as close as possible beneath the high-voltage line.
The distance is short and appears straight on the map, but on the ground there are S-bends and several small inclines.
If, at the end of the route, you come across masonry structures on the ground filled with water, you have taken a wrong turn at point (3) by straying from the direct line of the high-voltage power line. You are now on private property (not signposted). Either turn back, or continue along the path which leads directly to the natural pools at (5), without passing through (4). Progressing along this section requires you to ‘get your hands dirty’; it is not a route suitable for the general public.

Duration
I completed this route in barely 20 minutes on the way there and the same on the way back, making a total of 40 minutes. Allow three-quarters of an hour each way to be on the safe side, not including time spent at the site.

Once there, there are a few very simple rules to follow.
The beauty of the site alone warrants the utmost respect for the surroundings!

  • Here, silence is key (keep conversations quiet, no music without headphones, listen to nature, feel your body relax, etc.);
  • don’t do anything here that you wouldn’t tolerate on your own street at home, as this may disturb the locals who live and work in the area all year round. Avoiding walking around with your eyes glued to your smartphone is a nice, sensible thing to do!
  • keep the area clean (take all your rubbish, bottles, tins, cigarette ends, packaging, etc. with you when you leave);
  • at the pools, show the utmost respect for other people (undress out of sight, ignore differences (young/old, rich/poor, white/black/…), make way for newcomers, stay calm, adopt a relaxed attitude, speak from the heart, avoid naturism if other bathers do not practise it, do not smoke in the pools, etc.);
  • eat away from the pools,

* generally speaking, demonstrate that a ‘visorandonneur’ behaves impeccably and that no criticism can be levelled at them!

The site is quite busy all year round, including at night, because, on my visits, the surrounding area was sometimes littered with rubbish of all kinds, particularly cigarette ends, tea-light holders, partially charred wood, empty bottles, … It can sometimes take half an hour to clean the place from top to bottom before a swim. It’s certainly much nicer to have your ‘bathroom’ nice and clean, though! So please be considerate and civilised – do the same when you visit (bring a small bin bag with you).

The spring and the pools
On site, access to the hot spring and the natural pools is completely free; this is public land.
The spring gives off a faint smell of sulphur, characteristic of sulphurous water, sometimes referred to as sulphur water. This water contains a sulphur compound, hydrogen sulphide, which gives it the smell of rotten eggs. Owing to its composition, it is one of the waters used in hydrotherapy, particularly for its beneficial effects on skin and lung conditions. Source: Wikipedia

Water temperatures
Let’s talk about bathing: the first pool is around 50°, the second 45° and the last 40°. So you start by getting into the last one first… Gradually, your body gets used to this slightly high temperature. After 5 minutes, it’s bliss! The bravest move from the first pool to the second, then on to the third, which is the hottest.
In the end, we spent an hour and a half in the water… And you quickly get used to the heat and the sulphurous smells.
Even in the middle of August (we’ve been several times), visitor numbers are often modest. There are never more than six or seven of us on site. Yet there’s easily room for five or six in each pool.
The areas immediately around the pools are quite spacious, making it very comfortable to get changed and dry off – provided you’re not too fussy.
Make sure you bring a swimsuit that isn’t too trendy – it’ll suffer a bit from the heat and the sulphur…

Drinking water
There are no fresh drinking water points along the route. Nor is there any shelter in case of bad weather.

Equipment
It’s best to wear proper hiking boots, though proper trainers may also be suitable. It’s worth noting that trainers and flip-flops do not fall into these categories…
Bring a small kit suitable for mid-mountain hiking.

Safety recommendations and warnings
Regarding the RN116:
As this is a very popular route, it is essential to reiterate the basic safety rules for such areas:

  • everyone must wear a high-visibility vest when walking on the hard shoulder or on the road, due to very heavy traffic that often fails to observe speed limits
  • be extra vigilant +++
  • pay particular attention to children
  • walking at night is strongly discouraged
  • walking is at the hiker’s own risk, having been made fully aware of these recommendations

Regarding crossing the Train Jaune railway line at Thuès-Carançà station (or Thuès-les-Bains):
Warning: the railway track to be crossed has athird, electrified side rail, about 20 cm above the ground, which powers the electric locomotive. It is extremely dangerous.
This rail ends a few metres before the station (1) and resumes a few metres beyond it (to avoid having to step over it whilst crossing).

  • Please follow the posted instructions from the SNCF (crossing the tracks is, of course, permitted, but caution must be exercised).
  • Obviously, do not walk on the railway track itself, but only on the designated crossing points within the station (1) and on the footpath.

Regarding your personal abilities
Natural and wild areas present real risks, as with any hike in the great outdoors. It is up to each hiker to assess these risks; the warnings provided for this route are not intended to be exhaustive but merely indicative – do not ignore them!
In any case, do not overestimate your strength or your ability to undertake the route described or the variations on this short section of the walk, as several walkers have failed to find the pools despite this description. Before setting off, read all the forum discussions carefully (see the link below), print out the photos if necessary, and study the map at maximum zoom on Visorando.com for PC or on the Visorando app for smartphones; take screenshots to view on your smartphone.
Finally, do not undertake this walk at night, or whilst under the influence of alcohol or illegal substances, as you would be putting your own life, that of your walking companions and that of any potential rescuers at risk.

Alternatives
To reach the start of the walk, you can avoid driving and take the Train Jaune from Villefranche-de-Conflent, alighting at Thuès-Carançà station (in season).

For the sake of completeness, there are several alternative routes to reach the spring and the pools on foot.
I have listed here only three that are completely safe. Other routes are strongly discouraged, as they contravene the law or regulations:

ALTERNATIVE ROUTE 1 (easy) starting from
(S) and (1) Particularly outside the tourist season, it is possible to avoid crossing the RN116 and save 50 metres of walking by parking your car on the concrete platform of the old Thuès-Caranca station.
To avoid climbing for nothing and having to turn back, send someone ahead on foot to check the route!

ALTERNATIVE ROUTE 2 (easy)
Get dropped off by car in front of the entrance to the MAS des Sources. Do not drive into the grounds – it is strictly forbidden!
Enter the centre’s grounds on foot. You are on private property; there is a right of way for pedestrians, so please be courteous, discreet and move quickly as you cross.
Just before the centre’s upper car park (there is also another car park further down), take a well-maintained, stone-paved stepped path on the right which winds its way up the slope in several hairpin bends towards the Train Jaune station at Thuès-les-Bains. This path is bordered at ground level by a metal pipe used to collect water from the hot springs. Caution: it is very hot (>60°C).
Shortly after the start of the straight climb, the pipe on the ground forms an ‘S’ shape. Immediately turn right onto the path above a low dry-stone wall and go through a green metal gate. You will leave the Centre’s grounds.
This is the start (or end) of the Las Aygues Calentes (Chaudes Aygues) path, which leads to the car park at the Thuès-Entre-Valls bridge (and the Gorges de la Carança) as described in the main route.
We will therefore be following it in the opposite direction on this alternative route. It is about 900 m to the reservoirs.
Stay on this path. It is flanked by the same metal pipes, sometimes lying on the ground, sometimes at about waist height. Pass under the large multi-arched stone viaduct (known as the Pont du Torrent de Faget) over which the Train Jaune railway line runs and beneath which the Torrent de Faget flows. On your right, below you, is the large natural pool of warm water from this same torrent, which is also freely accessible and often used for swimming.
NB: even at this point, the water temperature is very pleasant, a mixture of the cold water from the torrent and the warm water from the springs.
The path passes under the first arch of the bridge.
Continue on to the spring (5).

ALTERNATIVE ROUTE 3 (easy)
Take the Train Jaune from Villefranche-de-Conflent and get off at Thuès-les-Bains. Take the path leading down towards the centre, reach the green gate and continue as described in VARIANT 2.

ROUTE 4 (moderate difficulty)
Take the Train Jaune from Villefranche-de-Conflent and get off at Thuès-les-Bains. Cross the tracks opposite the station, go through the SNCF wire-mesh gate and take the narrow path on the right (not shown on IGN maps) until you reach the Torrent de Faget canyon through fairly dense vegetation.
Head down the right bank until you reach the spring (5).
This alternative route requires a good sense of direction, equipment suitable for mid-mountain hiking, and particular vigilance regarding the various hazards along the approach path (dense vegetation, stones in or around the stream, and water collection pipes that must be protected from damage). It is intended for experienced, cautious hikers only, and is not suitable for casual walkers.

Worth a visit

- Online information
https://casailicia.wordpress.com/2016/01/14/bains-chauds-sauvages-ou-thermoludisme-dans-les-pyrenees/[]

- Difficulty
Given that this route is popular with families, the difficulty rating was upgraded to Moderate in August 2024 (previously Easy).

Places to see in the area:
- The Maison d’Accueil Spécialisé des Sources, a monolithic building complex. Private site – not open to visitors.
- The Yellow Train and its station "Thuès-les-Bains" just above the town centre. The station was built in 1910 and retains a certain old-world charm (although it is abandoned, heavily graffitied and has its openings partially bricked up).
- The ruins of the Canaveiles-les-Bains spa centre "Le Relais de l'Infante" further downstream, a centre devastated by a fire in 1984. Visible from the road and the Yellow Train. Private site – not open to visitors – Municipal by-law
- The cave and the oratory (on the side of the N116).
- The exceptional gorges of La Carança.

Reviews and comments

4.3 / 5
Based on 11 reviews

Reliability of the description
4.2 / 5
Ease of following the route
3.9 / 5
Route interest
4.8 / 5
User 18912303

Overall rating : 5 / 5

Date of your route : Jul 30, 2026
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

Thank you for this route leading to the natural hot springs! The water in the first few pools is really hot. If you carry on to the end of the route, the water is cooler (except at one waterfall) and there’s another lovely waterfall!

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MCTOUL
MCTOUL
• Edited:

Hello User 11039962,
It seems that a hasty reading of Option No. 2 meant you didn’t get to read all its provisions:
It begins with: “Be dropped off by car at the entrance to the MAS des Sources.”
That seems clear to me!
Consequently, you do not walk along the D66 (formerly the N116).
1°) Moreover, you should never use such a road without a designated footpath; you put yourself and the motorists who passed you at risk.
2°) There is no authorised parking in the “shelters” in this area; this is also very clearly signposted.

I would kindly suggest that you review your rating of this walk, as yours was based on misinterpretations.
Kind regards

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User 11039962
• Edited:

Overall rating : 3.5 / 5

Date of your route : Aug 01, 2026
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★☆☆ Average
Route interest : Not used / Not applicable
Very busy route : No

Please note that for Option 2, the first small car park where you can leave your car is 400 metres from the MAS, and the route to the venue follows the D66 road itself; there is no footpath and it is very dangerous. I won’t be doing that again!!!

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fab66
fab66

Overall rating : 4.7 / 5

Date of your route : Oct 23, 2024
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : Yes

Nice little hike, the warm pools are very pleasant.
Be careful with children, nudists expect you to think twice before getting dressed, even when children are present... pof c...
In short, worth a visit!

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MCTOUL
MCTOUL
• Edited:

Response to Clo79

Thank you for trying out my hike!
And thank you for your comments.
I've changed the difficulty to Medium, even though on such a short and safe route, the app suggests that creators rate it as Easy (<10 km).

Perhaps you went through the masonry structures (artificial) and arrived at (3) from (5) without passing through (4) (the Pont de Faget Viaduct)? The end is indeed steep there...

I did this hike again yesterday with my young children (aged 5, 6 and 8), cutting between (3) and (5) on the way there without going via (4). It took us an hour.
On the way back, I was alone and it took me 20 minutes.

Enjoy your holiday in the area!
Best regards

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MCTOUL
MCTOUL

Overall rating : 5 / 5

Date of your route : Aug 13, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

Circuit completed with three young children.
Only one family in the artificial pools and two families in the wild pools, despite the beautiful weather.
The sites were very clean.
It was very pleasant, as usual!
Just to note: the grates covering the drains (1) are badly damaged! Watch out for your car tyres!

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Clo79
Clo79

Overall rating : 4.3 / 5

Date of your route : Aug 13, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★★ Very good
Very busy route : No

The highlight of the trail is the hot springs! But you have to work for it. I don't think the hike is easy. We did it with two children, aged 8 and 13. The trail is narrow, rocky and some sections are very steep and require careful thought. In our opinion, the difficulty level is underestimated compared to other medium-difficulty hikes that we found much easier! The outward journey took us between 1 hour and 1 hour 20 minutes. The return journey was quicker, taking around 45 minutes.

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MCTOUL
MCTOUL

Thank you, Alb24, for your correction.
However, I find your rating a little harsh.
Furthermore, I can confirm that the site is public and not private (unless you stopped looking too soon in the artificial pools).
Best regards

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Alb24
Alb24

Overall rating : 3.7 / 5

Date of your route : May 13, 2024
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★★ Very good
Very busy route : No

Despite an error at the start ("after the railway tracks, turn right" when it should have been left), it was a very pleasant walk. I learned that the site is private. Thank you for allowing us to visit. Thank you for maintaining access. And thank you to all visitors for continuing to respect the site and other visitors. We are guests here.

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jean-claude bernhard
jean-claude bernhard

Overall rating : 4 / 5

Date of your route : Feb 05, 2024
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★★ Very good
Very busy route : No

Well-equipped circuit in the tricky sections, a little rough around the edges at the end. Discovering the hot springs is always a surprise.

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pelofy
pelofy
• Edited:

This hike is best done in the morning, as the area is shaded.

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Clo66430
Clo66430

Overall rating : 4.7 / 5

Date of your route : Jan 18, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : No

Hello, we really appreciated the description of the hike. It was very reliable and accurate, and the practical information was very useful. However, we did not cross the three streams as indicated because there were no streams.

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Nico de Lyon
Nico de Lyon

Overall rating : 4.7 / 5

Date of your route : Jul 09, 2023
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

Several pools and waterfalls allow you to choose the temperature of your bath! Very pleasant after a day of hiking.

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Isabelle Cloux
Isabelle Cloux
• Edited:

Overall rating : 3.5 / 5

Date of your route : Jan 19, 2023
Reliability of the description : ★★★☆☆ Average
Ease of following the route : Not used / Not applicable
Route interest : ★★★★☆ Good
Very busy route : No

I didn't take the main route, I got off the train at Thuès les Bains and followed one of the alternative routes via the health centre, but the end of the route description left me a little confused, wondering if I was at the right spring and the pools in question... "The path crosses the stream and then passes under the last arch of the bridge.
Reach (2). Then continue to the spring (3)."
Personally, I first passed under the arch of the bridge and then crossed the stream, so I wondered if I should go back under the other arch of the bridge after the stream, but the path was blocked after that...
When I crossed the stream, I immediately arrived at the pools, so I didn't understand why I had to "continue".
Maybe they weren't the right pools? In any case, I found three, with a small waterfall cascading from the rock above the top pool... there were also two or three warmer ones before that.
On the way back, I wanted to take the main route described in the hike, but I couldn't find the path (I hadn't taken it on the way there because I had come by train), so I went back down to the treatment centre.
I didn't understand how the springs could rise above the railway line, as it is lined with fencing. So I took the opposite bank (on the other side of the road) to reach Thuès. There is a beautiful path, which must be longer than the one described on the other side.
You can sometimes hear the echo of the road because we are at the bottom of the valley, but on this side there are no high-voltage power lines...
The springs/pools are very clean as the water is not stagnant. There were only four people there and, as the spot is sheltered, it was no problem in mid-January as it was a sunny day.
These springs are worth a visit because I only saw these ones where the water was completely untreated.
In Dorres, after Font Romeu, the water is not treated, but the granite basins are emptied and scrubbed every evening or morning.
The other springs in the area are all developed and charge an entrance fee, so the water is certainly treated to some extent.
Thanks for the idea for a visit and a natural swim. I think that if the place has remained fairly natural, it's because it's not that easy to find...you can't have everything.

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Steph 74
Steph 74

Overall rating : 3.7 / 5

Date of your route : Oct 24, 2022
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★★ Very good
Very busy route : Yes

No markings, you have to follow the trail, but sometimes ropes at the edge of the path are misleading... not easy.

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