Lake Moulin Papon, Dompierre

A circular route for walkers using the bus to explore the La Roche-sur-Yon area. Starting from the “Berthelière” stop on route 10 between La Roche-sur-Yon and Dompierre-sur-Yon. You’ll visit the old village before completing the loop around the lake.

Access: bus route 10 – Berthelière stop

Details

90820290
Creation:
Last update:
Last review:
  • Walking
    Activity: Walking
  • ↔
    Distance: 3.99 km
  • ◔
    Average duration: 1h 10 
  • ▲
    Difficulty: Easy

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 12 m
  • ↘
    Descent: - 20 m

  • ▲
    Highest point: 67 m
  • ▼
    Lowest point: 54 m

Photos

Description of the walk

Departure from the “Berthelière” stop on line 10; see timetables on the Impulsyon website: The transport network of the La Roche-sur-Yon conurbation

(S/E) Facing the pond, turn left until you reach the crossroads. Take Rue du Vieux Village on the left. Pass Rue des Fournils on your right, take the right-hand bend, and you’ll reach a three-way junction.

(1) Head to the right and explore the streets of the old village with its many houses featuring exposed granite stonework and their bread ovens. Retracing your steps, head to the right and rejoin the street you left at the three-way junction. At the bend, go straight on to join the lakeside path.

(2) Head left to follow the path: please note that this section of the path is not signposted; it is also high up, above the lake, for about 250 m.

(3) Cross the footbridge to reach the opposite bank, then turn right, following the dual GR® and GRP® markings.

(4) Pass by the old bridge of the Haute Thermelière iron mine, also known as the “Pont des Boches”. Continue along the bank to the bridge.

(5) Cross the bridge and, on the other side, join the path on the right marked in red. Continue along the lake until you reach the junction of the circular path.

(2) Turn left, then take the street on the right, until you reach the original junction.

(1) Continue straight ahead, in the opposite direction to the outward journey, to return to the bus stop (S/E).

Waypoints

  1. S/E : km 0 - alt. 65 m - Bus stop 10
  2. 1 : km 0.3 - alt. 66 m - Junction shared by both directions
  3. 2 : km 0.62 - alt. 56 m - Crossing the circular loop - Lac de Moulin Papon (Vendée)
  4. 3 : km 1.43 - alt. 56 m - Footbridge over the - Yon (rivière) à finaliser
  5. 4 : km 1.98 - alt. 56 m - Mine bridge
  6. 5 : km 2.64 - alt. 59 m - Bridge across the lake
  7. S/E : km 3.99 - alt. 65 m - Bus stop 10

Notes

Worth a visit

Visit the old village of La Berthelière, where the houses have been renovated with exposed stonework and numerous bread ovens can be seen in the narrow streets.

The bridge of the former Thermelière iron mine can be seen from the south bank of the lake. This bridge was used to transport iron ore on wagons to La Roche-sur-Yon station, then to a ship in the Port of Les Sables d'Olonne bound for Germany. The mine ceased operations in 1912.

Always be cautious and plan ahead when you're outdoors. Visorando and the author of this route cannot be held responsible for any accidents occurring on this route.

The GR® and PR® markings are the intellectual property of the Fédération Française de Randonnée Pédestre.

Reviews and comments

4.7 / 5
Based on 1 review

Reliability of the description
5 / 5
Ease of following the route
5 / 5
Route interest
4 / 5
User 22661063

Overall rating : 4.7 / 5

Date of your route : Feb 12, 2026
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : Yes

Difficult route, slippery and muddy after rain. The village of La Berthelière is magnificent; I return there very often to admire the stone houses and the surroundings.

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