The Brême Valley and the Plaisir Fontaine Caves

From the old priory, you will climb to the Rocher du Tourbillon viewpoint overlooking the charming little valley of La Brême, then walk along an old railway line converted into a footpath, before climbing back up to the wild cornices via sunken paths reminiscent of enchanted forests, and finally descending to the foot of the rocks towards the Plaisir Fontaine caves.

Details

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  • Walking
    Activity: Walking
  • ↔
    Distance: 12.20 km
  • ◔
    Average duration: 4h 25 
  • ▲
    Difficulty: Moderate

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 333 m
  • ↘
    Descent: - 336 m

  • ▲
    Highest point: 519 m
  • ▼
    Lowest point: 362 m

Photos

Description of the walk

Parking in Bonnevaux du Bas, on the grass behind the bell tower of the old cloister. Yellow, blue, white and red markings, with a large section without markings

(S/E) Head towards the signpost, which marks the start of the hike. Climb into the woods via the path on the left, towards Bonnevaux du Haut - Rocher du Tourbillon. At a hairpin bend, join a rockier path and continue climbing to the right. After about 200 metres of fairly steep climbing, look for the path on the left that descends and joins the D280 at a bend.

(1) Follow it up to the next bend and continue straight ahead along the path that leads back into the woods.

(2) You will soon come to a crossroads. Turn left towards the Rocher du Tourbillon viewpoints (the first upstream, the second downstream). Retrace your steps.

(2) Climb up to the left. The path quickly splits. Take either branch, as they rejoin further on. You will soon come to an X-shaped crossroads. Descend to the left towards the Grottes de Plaisir Fontaine caves.

(3) At the stony path that runs alongside the pastures, descend again to the left. You will re-enter the woods.

(4) Join a path at right angles and descend to the right towards the old railway line.

(5) Turn left onto the beautiful gravel road that has replaced the old Tacot railway line (signpost for Ornans). Go through a 180-metre-long tunnel, which is normally lit automatically, then pass in front of the old small station, joining the D 280, which you follow to the right for about 100 metres until you reach a stop sign.

(6) Twenty metres after this sign, climb up the hillside on the right via the path, losing sight of the markings. After a steep climb, leave a path on your left. Pass at the foot of some beautiful rocks, which you go around to discover a beautiful mossy sunken path that looks like a haunted forest. You will come to a farm track with muddy ruts, which you should avoid by walking along the edge of a fir tree plantation on your right. At a sign saying "Réserve de chasse" (hunting reserve) and a "No. 22" painted on a tree, climb up to the right towards the ledges.

(7) At the ledges, the path turns left, running along the ledges at a distance.

(8) When it turns slightly to the left and you see a white and red pylon between the trees, take the path on the right that passes under the lines, offering a new view of the valley. The path enters the woods and quickly crosses a wider path. Cross it and continue downhill on the small path opposite. You will soon come to a fork in the path. Take the left fork.
Be careful, as the path on the right quickly leads to the cliff edge. Continue along the ledges, passing beautiful crevices.

(9) At a forked tree (the trunk splits in two) that is partially hollowed out, you will come to a fork with a wider path. Descend via the path on the right. You will cross some sharp limestone pavements. Fifteen steps later, the path forks. Descend to the right. At the bottom, you will join a path at right angles. You are above the tunnel. Turn left to carefully reach an unsecured viewpoint.

(10) Retrace your steps for about fifteen steps and continue along the path that climbs to the right. Opposite a beautiful rock, it turns left as it climbs.
Caution: If you find yourself at the top of the embankment, facing the rock, you have gone too far. Go back up about ten steps and continue climbing.
Quickly leave a small path on your left, continuing the climb to the right, staying straight on this well-marked path which begins to descend. It becomes a wider path overlooking the Tacot track. Continue straight ahead until you come to a wider dirt track at right angles, which you will descend to the right to rejoin the Tacot track.

(5) Cross it and climb back up the arrival path (Mountain Bike Route 27).

(4) At the fork (signpost), do not turn into the pastures but continue straight ahead (right-hand path) towards the Grottes de Plaisir fountain.

(11) When you hear the murmur of the stream, start looking on the left for the pretty path that runs down along the rocks (about ten metres before a yellow and blue signpost). At the bottom, on the wider path, turn left along the fence for a round trip to the caves. Turn back and continue straight ahead to the fish farm.

(12) Continue along the small road that passes in front of a refreshment bar, open in summer.
At the departmental road, turn left towards the hamlet, taking care when passing beneath the beautiful rocks of Le Tourbillon, and continue straight on to the cloister (S/E).

Waypoints

  1. S/E : km 0 - alt. 368 m - Car park at Bonnevaux du Bas
  2. 1 : km 0.64 - alt. 458 m - Junction D280
  3. 2 : km 1.23 - alt. 494 m - Towards the Tourbillon rock
  4. 3 : km 2.33 - alt. 517 m - Châtelards pastures
  5. 4 : km 2.68 - alt. 487 m - Common fork in the road for the return trip
  6. 5 : km 2.83 - alt. 481 m - Voie du Tacot
  7. 6 : km 5.85 - alt. 415 m - Tacot Station and Chassagne Woods
  8. 7 : km 7.11 - alt. 505 m - The cornices of the - Brême (ruisseau) - Affluent de la Loue
  9. 8 : km 7.4 - alt. 515 m - Pylon
  10. 9 : km 7.86 - alt. 470 m - Bifid tree
  11. 10 : km 8 - alt. 460 m - Above the tunnel - Viewpoint
  12. 11 : km 9.95 - alt. 444 m - Towards Grottes de Plaisir Fontaine
  13. 12 : km 10.41 - alt. 389 m - Fish farm and refreshment bar
  14. S/E : km 12.19 - alt. 368 m - Car park at Bonnevaux du Bas

Notes

The route includes cliffside paths and unsecured viewpoints. Rocky and slippery trails. Sturdy footwear is essential and walking sticks are recommended.

Reviews and comments

4.3 / 5
Based on 7 reviews

Reliability of the description
4.1 / 5
Ease of following the route
4.2 / 5
Route interest
4.6 / 5
Gaet25
Gaet25

Overall rating : 4.3 / 5

Date of your route : May 26, 2025
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

A very beautiful route, varied with scenic views and many shaded sections.

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sam chauvat
sam chauvat

Overall rating : 4 / 5

Date of your route : Feb 18, 2025
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : No

A lovely ride, apart from the road bike section which is a bit monotonous but still enjoyable. You can extend the ride from point 6 by turning left and reaching points 7 or 8 by taking a circular path for the brave ones 😉😁🤙

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Paps
Paps

Overall rating : 4 / 5

Date of your route : May 20, 2024
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : No

Good walking shoes are essential, especially between points 6 and 9. If it rains in the days leading up to the hike, the section between points 6 and 7 will be very difficult to navigate as it will be very muddy. The route is not difficult, even without signposts. Apart from cyclists on the old Tacot railway line, we didn't see anyone else on the route. There are some beautiful views to be seen.

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tonnoguh
tonnoguh

Thank you, irma70!

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irma70
irma70

Overall rating : 5 / 5

Date of your route : Oct 21, 2021
Reliability of the description : ★★★★★ Very good
Ease of following the route : Not used / Not applicable
Route interest : ★★★★★ Very good
Very busy route : No

A nice climb at the start to warm up your calves before reaching the first viewpoint (you have to earn it!), followed by an original route along the old railway line and through a tunnel, before coming back up through the woods. But be careful, as the path towards the high-voltage line is no longer very visible and vegetation is taking over. The cave, which is off-limits,
is truly impressive. A beautiful hike as usual with Tonnuguh, whom we can only congratulate.

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Marguerites
Marguerites

Overall rating : 4 / 5

Date of your route : Aug 15, 2021
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

A varied, steep hike with a superb view of the Tourbillon rock, descent to an incredible cave, passage through a tunnel... amazing!
But we'll have to do this hike again because we got lost at (8) as we didn't understand the description very well, and ended up returning to (5) via a different route.
It's worth noting that for occasional walkers, walking shoes and walking sticks are essential, especially in mixed weather!
This hike starts at the car park behind the priory, with a steep climb right from the start
But we're not giving up, we'll be back!

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tonnoguh
tonnoguh

Hi Le Garenne, and thank you for your kind feedback.
You would need to ask a moderator. But I think the Visorando smartphone app calculates elevation gain incorrectly. When I track my route during a walk, I feel like I've climbed Everest. On my return, the Visorando website recalculates the altitudes and comes up with more reasonable elevation gains.
Best regards,
Claude

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Le Garenne 25
Le Garenne 25
• Edited:

Overall rating : 5 / 5

Date of your route : Sep 22, 2020
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

Thanks again for your walks, Tonnoguh!
You share your routes here in the Doubs very generously, and hats off to you for both the interesting routes and the quality of the guidance. This ride is very varied. I was a little worried about the return trip along the greenway, but there was no need to be: this route is absolutely beautiful compared to the cycle routes along the Doubs or in Burgundy, running along the hillside and bordered by cliffs on the right, a bit like the one above the Langouette gorges towards Foncine. The return journey is through the woods, which is refreshing and very different from the outward journey, so my initial apprehension evaporated.
The Tourbillon rock and the cave are a real delight. And the end of the route along the river is also very pleasant.

One question nags at me: this is the second hike for which I have imported the GPX files onto IGN rando with 1:25,000 maps, and although the length is indeed the same as indicated, the elevation gain is significantly different: here it is 320m, on the IGN app it is 521m (and I feel like it's closer to 500 than 300).Any idea what could be causing this discrepancy?
In any case, thank you for this beautiful, varied and refreshing walk.
Le Garenne 25

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Socié Claude
Socié Claude

Overall rating : 4 / 5

Date of your route : Jun 27, 2019
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good

Not too difficult a hike if you take your time to discover and enjoy the route; very pleasant in the current hot weather.

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