Tascon Causeway – Passage to Île Tascon loop from Réserve naturelle des marais de Séné

Routes

Mountain biking trails

Tascon Causeway – Passage to Île Tascon loop from Réserve naturelle des marais de Séné

Moderate

4.6

(7)

riders

Tascon Causeway – Passage to Île Tascon loop from Réserve naturelle des marais de Séné

02:45

49.5km

190m

Mountain biking

Moderate mountain bike ride. Good fitness required. The starting point of the route is accessible with public transport.

Last updated: November 2, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc naturel régional du Golfe du Morbihan

Réserve nationale de chasse et faune sauvage du Morbihan

Waypoints

Start point

Bus stop

Get Directions

5.14 km

Theix-Conleau-Saint Armel

Highlight • Other

8.00 km

Saint-Laurent Chapel

Highlight • Other

21.7 km

Villeneuve fountain

Highlight • Natural Monument

24.5 km

Tascon Causeway

Highlight • Other

The management of tide times is essential to see a magnificent landscape at the end of the island.
There is a delay of about 2 hours between the high tide and that of the golf course

Translated by Google •

Tip by

24.7 km

Passage to Île Tascon

Highlight • Trail

46.1 km

Four Winds customs barracks

Highlight • Other

The barracks housed the families of customs officers stationed in the area in the 19th century, it is the only one still visible in the town of Séné.

Translated by Google •

Tip by

49.5 km

End point

Bus stop

Way Types & Surfaces

Way Types

15.6 km

14.5 km

12.7 km

4.87 km

1.96 km

Surfaces

31.2 km

10.9 km

3.35 km

2.28 km

1.61 km

292 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Weather

Tuesday 3 November

11°C

6°C

0 %

Additional weather tips

Expect light wind and shifting conditions.

to get more detailed weather forecasts along your route

Comments

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Tascon Causeway – Passage to Île Tascon loop from Réserve naturelle des marais de Séné

Theix-Conleau-Saint Armel

Saint-Laurent Chapel

Villeneuve fountain

Tascon Causeway

Passage to Île Tascon

Four Winds customs barracks

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