Josselin Castle – Malestroit Lock loop from Guéhenno

Josselin Castle – Malestroit Lock loop from Guéhenno

Hard

riders

Josselin Castle – Malestroit Lock loop from Guéhenno

06:15

147km

820m

Road cycling

Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride. The starting point of the route is accessible with public transport.

Last updated: August 26, 2026

Tips

The surface along some of this route may not be suitable

Some segments of your route comprise a surface that may not be suitable for your chosen sport.

After 54.5 km for 2.19 km

After 88.4 km for 70 m

After 114 km for 89 m

Waypoints

Start point

Bus stop

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48.3 km

Locks 79 to 87 - Around Saint-Gérand

Highlight (Segment) • Other

Sequence of nine locks, seven of which are very close to each other. Boat traffic must have been very slow on this section…

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88.4 km

Château de Josselin seen from the Sainte-Croix bridge

Highlight • Castle

Erected at the beginning of the 11th century, the Château de Josselin was once just a simple wooden building. Rebuilt and extended over the centuries, it was modernized by the …

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88.6 km

Josselin Castle

Highlight • Religious Site

The castle's imposing towers are reflected in the River Oust. Owned by the Rohan family, one of the oldest families in Brittany, it is the symbol of this pretty town. …

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106 km

Le Roc-Saint-André

Highlight • Settlement

Quaint village with an ancient church on a hill overlooking a bend in the river & Canal de Nantes à Brest.

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106 km

Nantes–Brest Canal - Oust Quay

Highlight • Other

Domaine du Roc campsite

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114 km

Malestroit center and pedestrian street

Highlight • Other

A very touristy little spot, quite a nice pedestrian street with many terraces to quench your thirst and treat yourself to a well-deserved little break in an old architectural setting.

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115 km

Malestroit Lock

Highlight • Structure

Taking the shortest of the branches of the Oust River across the plain opening up at the North end of town, the canal here needs another set of locks. The …

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135 km