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Grand Bassin in Castelnaudary – Roc Lock loop from Souilhanels

Grand Bassin in Castelnaudary – Roc Lock loop from Souilhanels

Moderate

4.9

(7)

riders

Grand Bassin in Castelnaudary – Roc Lock loop from Souilhanels

02:56

45.4km

200m

Gravel riding

Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: April 20, 2026

Waypoints

Start point

Parking

Get Directions

4.99 km

La Planque Cottage

Highlight • Mountain Hut

Directly at a lock, nice atmosphere.

Translated by Google •

Tip by

8.92 km

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 now serves as a tourist port. It also serves as a water reserve for the 4 Saint-Roche locks at the exit of the basin. (Wikipedia)

Translated by Google •

Tip by

16.5 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.

Translated by Google •

Tip by

17.3 km

Méditerranée Lock

Highlight • Structure

We are on the dividing reach of the Seuil de Naurouze
The lock of the Mediterranean is the first one that one meets to go down towards Sète

This lock was formerly called: lock of the Doctor or of Medici. It was built in 1673.

Translated by Google •

Tip by

22.1 km

The Naurouze Pass

Highlight • Historical Site

22.3 km

Canal du Midi - Water sharing

Highlight • Other

Beautiful park garnished with many subtleties.

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22.5 km

Seuil de Naurouze

Highlight • Historical Site

The Seuil de Naurouze is an emblematic and symbolic location on the Canal du Midi. It is here that the canal comes to life thanks to the watersheds originating from the Montagne Noire. As the highest point of the canal, the waters carried by the Rigole de la Plaine are distributed from one slope to the other.

Translated by Google •

Tip by

28.6 km

La rigole de la Plaine

Highlight • Other

Very pretty path along the channel, the setting is bucolic. Have fun on player single tracks.

Translated by Google •

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45.4 km

End point

Parking

Way Types & Surfaces

Way Types

25.1 km

14.3 km

3.78 km

1.84 km

389 m

< 100 m

Surfaces

20.7 km

16.8 km

5.06 km

2.71 km

153 m

Elevation

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

Highest point (230 m)

Lowest point (160 m)

Weather

Saturday 27 June

33°C

22°C

64 %

Additional weather tips

Max wind speed: 17.0 km/h

to get more detailed weather forecasts along your route

Comments

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Grand Bassin in Castelnaudary – Roc Lock loop from Souilhanels

La Planque Cottage