Grand Bassin in Castelnaudary – Roc Lock loop from Castelnaudary

Bike touring routes & trails

Grand Bassin in Castelnaudary – Roc Lock loop from Castelnaudary

Moderate

5.0

(2)

riders

Grand Bassin in Castelnaudary – Roc Lock loop from Castelnaudary

02:46

40.4km

340m

Cycling

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: August 24, 2026

Waypoints

Start point

Train Station

Get Directions

498 m

Grand Bassin in Castelnaudary

Highlight • Other

The Grand Bassin in Castelnaudary is the largest open body of water along the Canal du Midi and covers approximately 7 hectares. Once a site of important economic activity, it …

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4.36 km

La Planque Cottage

Highlight • Mountain Hut

Directly at a lock, nice atmosphere.

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4.42 km

The perfect hideout

Highlight • Other

le bonne planque is a great place to spend the night. perfect for cyclists on the Canal du midi. excellent vegetarian dinner and breakfast. we enjoyed immensely.

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8.04 km

Roc Lock

Highlight • Other

The Écluse du Roc was built around 1670 and is 57 km from Toulouse at 189 m above sea level.

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18.7 km

Lake Ganguise

Highlight • Lake

Lac Ganguise is a haven for water-sports enthusiasts and rightly so - it gets alot of wind! However, if you head to the north side of the lake there are …

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20.1 km

The Moats of the Château de Belflou

Highlight • Castle

Belflou castle, nestled in the eponymous village, is distinguished by its remarkable moat. These aquatic ditches, surrounding the castle, measure approximately 10 meters wide. The castle, still standing, offers an authentic glimpse of feudal architecture.

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