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Bike touring routes & trails

Pays de la Loire

Châteaubriant-Ancenis

Abbaretz mine spoil tip – Étang de Gruelleau loop from Abbaretz

Bike touring routes & trails

Pays de la Loire

Châteaubriant-Ancenis

Abbaretz mine spoil tip – Étang de Gruelleau loop from Abbaretz

Easy

5.0

(1)

3

riders

Abbaretz mine spoil tip – Étang de Gruelleau loop from Abbaretz

01:33

19.9km

90m

Cycling

Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: October 7, 2026

Tips

Includes a segment in which cycling is not permitted

After 2.41 km for 62 m

Waypoints

A

Start point

Train Station

1

916 m

Saint-Pierre Church

Highlight • Religious Site

19th-century church. Unfortunately, there's no water supply, but there's a good bakery in the small square to the left.

Translated by Google •

Tip by

2

988 m

WC and water point

Highlight • Other

3

1.30 km

Abbaretz pond

Highlight • Other

Small pond in the middle of a recreation area. Several picnic tables. Unfortunately, I didn't see a single body of water. If the town hall is reading this...

Translated by Google •

Tip by

4

2.28 km

Mine Lake

Highlight • Lake

This 40-meter-deep (!!!) pond occupies the former Abbaretz tin mine, which has been in operation since Roman times. It cannot be cycled around, but it is possible to do so …

Translated by Google •

Tip by

5

2.55 km

Abbaretz mine spoil tip

Highlight • Other

A truly amazing site. Bring a lock, as you have to leave your bike at the bottom of the steps.

Translated by Google •

Tip by

6

3.84 km

Abbaretz lagoon

Highlight • Other

A half-Mordor, half-Mad Max atmosphere with these reddish-orange marshes. The color is due to the oxidation of heavy metals contained in these highly acidic waters: iron, manganese, cobalt, and... arsenic. …

Translated by Google •

Tip by

7

13.6 km

Étang de Gruelleau

Highlight • Lake

B

19.9 km

End point

Train Station

Way Types & Surfaces

Way Types

8.13 km

6.20 km

5.14 km

275 m

205 m

< 100 m

Surfaces

10.3 km

6.18 km

2.27 km

968 m

234 m

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Elevation

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

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Weather

Powered by Foreca

Monday 12 October

22°C

13°C

34 %

Additional weather tips

Max wind speed: 19.0 km/h

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