From Gréoux-les-Bains to Lake Esparron

This is a long but mostly shaded hike that allows you to go swimming in Lac d'Esparron and walk alongside the old Verdon canal and its structures without having to take the road.
Some sections are tricky, particularly due to construction work. See reviews.

Details

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  • Walking
    Activity: Walking
  • ↔
    Distance: 16.63 km
  • ◔
    Average duration: 6h 30 
  • ▲
    Difficulty: Moderate

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 608 m
  • ↘
    Descent: - 608 m

  • ▲
    Highest point: 593 m
  • ▼
    Lowest point: 330 m

Photos

Description of the walk

Easy parking after the last buildings on the lake road.

(S/E) Go up the road and take the path that descends (briefly) to the right. The Sourn valley leads you to a track that you must follow down to the right until you reach the Pellas well, barely visible on your left. Head towards the cistern.

(1) Take the path that climbs behind it and follow the mountain bike signs until you reach the junction with a wide track. You will pass a first ventilation shaft for the Verdon canal.

(2) A path starts just opposite and ends in a small valley, which you will climb up by turning left for a few dozen metres.

(3) Take the first path that climbs to the right. At the next junction, keep left and join a wider path.

(4) Turn left again and continue to the open ridge.

(5) Turn left onto the track and walk alongside the cistern. Continue for about 250 metres.

(6) Take the mountain bike trail that descends to the right and continue to the next junction.

(7) Turn right.

(8) On the climb, take the track that branches off to the left until you reach a junction with a beautiful view of the lake. Continue to the left.

(9) Take the first path down to the right to the ancient path.

(10) Follow it, turning left; it will take you to the lake after crossing the canal via a stone bridge.

(11) Walk along the canal on the left (and choose your swimming spot if you wish).

(12) When you reach the car park entrance, cross the embankment and climb up through the undergrowth to the left of the canal tunnel entrance. Follow the cliff on the left until you reach the canal service staircase.

(13) Turn left immediately at the end of the stairs.

(14) After a second staircase, climb up the valley on the left to a terrace at the bottom of which you will find a ruin. Cross it and climb up the slag heap of another ventilation shaft on the right. Continue along the ridge of the slag heap. Cairns indicate a path on the left that leads to a more frequently used trail, which takes you to the right towards the shaft, where you should keep to the right.

Turn left at the next junction and join a wide track. Continue straight ahead on this track, which branches off to the right at the cistern.

(15) Take the second path on the right and follow the ridge, admiring the views of Ventoux, Lure and the Alps. Ignore the steep mountain bike trail that descends to the left and continue along the ridge to a clearing, which you cross to join a path that descends to the left and takes you to the lake road.

(16) Cross over to the path opposite, which leads to the Notre-Dame des Œufs chapel.

(17) Continue until you reach the lake road. Follow it to the right until you reach the car park (S/E).

Waypoints

  1. S/E : km 0 - alt. 330 m - Parking on the lake road
  2. 1 : km 2.82 - alt. 488 m - Cistern
  3. 2 : km 3.91 - alt. 530 m - Path opposite
  4. 3 : km 4.42 - alt. 521 m - Path on the right
  5. 4 : km 5.18 - alt. 563 m - Wide path
  6. 5 : km 5.62 - alt. 577 m - Cistern - Track
  7. 6 : km 5.9 - alt. 574 m - Mountain bike trail
  8. 7 : km 6.89 - alt. 481 m - Crossroads, on the right
  9. 8 : km 7.26 - alt. 508 m - Track on the left
  10. 9 : km 7.54 - alt. 503 m - Path on the right
  11. 10 : km 8.34 - alt. 467 m - Secular path, on the left
  12. 11 : km 9.22 - alt. 364 m - Bank of the - Lac d'Esparron
  13. 12 : km 10.14 - alt. 367 m - Car park entrance - Verdon (rivière)
  14. 13 : km 10.32 - alt. 404 m - Top of the stairs - Canal du Verdon
  15. 14 : km 10.64 - alt. 458 m - Second staircase
  16. 15 : km 13.16 - alt. 591 m - Second path on the right
  17. 16 : km 14.25 - alt. 477 m - Lake road
  18. 17 : km 15.77 - alt. 425 m - Chapel of Notre-Dame des Œufs
  19. S/E : km 16.63 - alt. 331 m - Parking on the lake road

Notes

Don't forget your GPS and towels, but don't wear flip-flops: it's rocky and uneven.
Be careful near the wells, as the safety barriers are outdated.

Reviews and comments

3.6 / 5
Based on 11 reviews

Reliability of the description
3.8 / 5
Ease of following the route
3 / 5
Route interest
4.1 / 5
User 27402725

Overall rating : 3.7 / 5

Date of your route : Aug 25, 2025
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★☆ Good
Very busy route : No

Hello
Very nice hike, but there could be a few more signs.
Especially after the lake car park

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here
here

The path climbs up to the right of the recently refurbished canal and leads to the foot of a cliff. Walking along it to the left, you will inevitably arrive at the staircase.

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phmlgcn
phmlgcn

Overall rating : 3.7 / 5

Date of your route : Jun 10, 2025
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★★ Very good
Very busy route : No

A truly superb hike, but for fairly experienced hikers: from the 12th, I found a small path to the right (not left) of the canal entrance; it appears on the map on the right as you go up.
Then I couldn't find the famous stairs (GPS is useless as there is no trace on IGN), so I went around by the road to rejoin the 15.

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degavroche
degavroche

Overall rating : 3.3 / 5

Date of your route : Apr 19, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★☆☆ Average
Route interest : ★★☆☆☆ Disappointing
Very busy route : No

A pleasant path through boxwood trees at the start. However, one soon tires of turning right and left without really having any nice views. There is no path and no markings for the climb after the lake between markers 12 and 13.

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Lartiste84
Lartiste84

Overall rating : 4.3 / 5

Date of your route : Mar 03, 2025
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

Beautiful hike with a difficult section after the lake.

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LISONLOUNA
LISONLOUNA

Hello, we did this hike today, 20/09/24, and we encountered problems between points 12 and 14, which were poorly marked. You have to search for the path, which is really tricky. The DFCI is quite long to reach the chapel.
For the start of the hike (car park), it would be helpful to mark: cross the Verdon, then immediately turn left and then follow the path to the chapel on the right and park in a very large space on the left after the last large building on the right.

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muylgirard
muylgirard

Overall rating : 4 / 5

Date of your route : May 31, 2024
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★★ Very good
Very busy route : No

Thank you to whoever created and shared this hike.
It was magnificent. Very well marked to the lake shore. The climb back up, however, is complicated because it is poorly marked. My opinion agrees with the other reviews in this regard. You just need to allow a little extra time to find your way back. Otherwise, it's great.

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luigi1313
luigi1313
• Edited:

Overall rating : 4 / 5

Date of your route : Sep 23, 2023
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : No

A beautiful, shaded hike, but best avoided in July/August.
After the first staircase, I continued straight ahead as indicated by the GPS track and arrived at the second one by passing through moss-covered trees, feeling my way along, but I made it. You have to stay more or less in the centre of the valley as it climbs and you'll get there.
The rest is easier, but with a wide forest fire road.
I really enjoyed it
More for resourceful hikers (especially the part with the two staircases and even a little after that).
Follow the GPS carefully.

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Guigues
Guigues

Overall rating : 2.3 / 5

Date of your route : Jul 06, 2023
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★☆☆☆☆ Very disappointing
Route interest : ★★★☆☆ Average
Very busy route : No

The first part of the route up to point 11 is perfect. From 12 to 13, it is disastrous and even risky because, if you follow the GPS route, you end up passing through the Verdon canal renovation works and get lost in the undergrowth for quite some time. The rest is barely any better until point 14. Bring disinfectant for scratches caused by the thickets and dead wood. The end of the route becomes easier again. A GPS is essential for this route, as are good shoes, as it is very uneven and stony.

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pascale solo
pascale solo

Overall rating : 4 / 5

Date of your route : Apr 15, 2023
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★☆ Good
Very busy route : No

Well-described route, but some sections are a little confusing (points 12/14 in particular): follow the directions carefully and observe the terrain.
Pretty shaded sections, views of the lake and surrounding peaks.
I can confirm that EDF works are underway at the lake, so the hike will certainly be impassable until early July.

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Neyssensas
Neyssensas

Overall rating : 4 / 5

Date of your route : Apr 14, 2023
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★☆ Good
Very busy route : No

A beautiful hike along lovely, fairly shaded trails.
PLEASE NOTE: major renovation work on the Maurras underpass on Saint Julien beach will continue until the end of June. As a result, all trails and the lake road are closed until further notice.
We should have turned back the day before.
I can confirm that the hike should be done in the direction indicated, otherwise you risk getting lost.

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LAURENT FRANCOIS
LAURENT FRANCOIS

Overall rating : 4 / 5

Date of your route : Oct 12, 2022
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

Hello
Well done for finding this hike off the beaten track in Gréoux-les-Bains.
Very few tracks, hiking on small paths between boxwood hedges, very shady and very pleasant underfoot. No steep climbs on rocky terrain.
Throughout the hike, there are numerous viewpoints in all directions.
A few comments: you'll need a GPS, as many intersections are not described, so you have to figure out which path to take at certain points, particularly at point 1. At point 12, the entrance to the path is difficult because the embankment has been levelled. I had a lot of difficulty at point 13. When I turned left, I found myself on a multitude of small, rather dangerous paths that led nowhere, so I went back up the stairs and took the small path on the right. After 50 metres, I turned left and walked 20 metres off-trail to find the path again. There were also some difficulties after point 14. After passing the ruins, I couldn't find a clear path, so I had to aim for the right side of the slag heap that can be seen through the woods.
Other than that, it was a very beautiful solo hike that took 5½ hours from the Thermes car park. In October, I only encountered a couple near the lake and a mountain biker near point 15.

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here
here

Too bad for swimming! The steps are below, between the cairn with a piece of wood and the pylon.

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nicoreillanne
nicoreillanne

Thank you for your reply, but what surprises us is that we were following your points 17, 16, and 15 on our GPS, but to get to points 14/13 and go down to the beach car park, there was no path at all. There was a cairn with a piece of wood standing upright, then a tiny path that led to a small valley facing a power line with large metal poles planted in the rocks, above an unavoidable rocky outcrop!
We couldn't find the service stairs to the canal!
We know this beach well, so next time we'll look for them from below!
Thank you for this very pleasant hike with plenty of shade, as it was 31°C yesterday, Friday. Too bad we couldn't go swimming, but we reached point 7 for the return trip.

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here
here

The trail is only partially marked, and it is best to follow it in the direction indicated. A GPS device is essential.

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