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Bike touring routes & trails

France

Pays de la Loire

Châteaubriant-Ancenis

La Grigonnais

Lock 11 — La Prée – Port of Blain loop from La Grigonnais

Routes

Bike touring routes & trails

France

Pays de la Loire

Châteaubriant-Ancenis

La Grigonnais

Lock 11 — La Prée – Port of Blain loop from La Grigonnais

Easy

5.0

(3)

riders

Lock 11 — La Prée – Port of Blain loop from La Grigonnais

01:44

29.1km

100m

Cycling

Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: April 22, 2026

Waypoints

Start point

Parking

Get Directions

9.52 km

Gué de l'Atelier Lock

Highlight • Structure

Lock number 9. Here, the canal meets a wilder branch of the Isac. A little further on, you can even drive INTO the Isac (see photo).

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11.2 km

Terrier Lock

Highlight • Other

Lock number 10. Very friendly welcome at the lock house, which offers drinks, ice creams, etc. And the terrace under the trees is really nice.

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14.4 km

Lock 11 — La Prée

Highlight • Structure

A lock among others? No, because here you can have your bike repaired! This repair workshop is ideal because it is located along the Vélodyssée.

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15.9 km

Port of Blain

Highlight • Rest Area

It is a fairly active port on the Nantes-Brest Canal, with a capacity for up to 30 pleasure craft and 3 barges. Bars, restaurants, and public restrooms are available.

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16.0 km

Le Monkey Bike Bar

Highlight • Pub

The Monkey Bike Bar is a must-see place (Bar) on the Nantes-Brest canal! ideally located on the port of Blain with a terrace to quench your thirst with a nice …

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16.0 km

Cycles Riflet Bicycle Shop

Highlight • Rest Area

sales and repairs
all types of bike shops
specializing in Gravel and travel
to discover!!

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17.0 km

Spitzwinkel House in Blain

Highlight • Monument

The house is something of a minor celebrity here. Unfortunately, I didn't take a photo of the plaque under the picture on the balcony.

Translated by Google •

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29.1 km

End point

Parking

Way Types & Surfaces

Way Types

15.2 km

5.80 km

4.17 km

2.14 km

1.27 km

424 m

153 m

Surfaces

15.9 km

7.05 km

5.28 km

685 m

226 m

Elevation

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

Weather

Friday 22 May

31°C

15°C

0 %

Additional weather tips

Max wind speed: 11.0 km/h

to get more detailed weather forecasts along your route

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Lock 11 — La Prée – Port of Blain loop from La Grigonnais

Gué de l'Atelier Lock

Terrier Lock

Lock 11 — La Prée

Port of Blain

Le Monkey Bike Bar

Cycles Riflet Bicycle Shop

Spitzwinkel House in Blain

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