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Groslée Bridge – Cerin Peat Bog loop from Sermérieu

Routes

Bike touring routes & trails

Groslée Bridge – Cerin Peat Bog loop from Sermérieu

Hard

5.0

(1)

riders

Groslée Bridge – Cerin Peat Bog loop from Sermérieu

04:54

73.2km

1,110m

Cycling

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

Last updated: June 22, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Réserve naturelle nationale du Haut-Rhône français

Waypoints

Start point

Bus stop

Get Directions

5.27 km

Morestel Medieval Town and Castle

Highlight • Castle

A little detour from the Via Rhôna for this superb medieval-looking city.

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11.6 km

Château de Brangues

Highlight • Castle

Neither the castle nor the park are open to the public

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12.1 km

Brangues town centre

Highlight • Other

Admire the view from the center of Brangues

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13.0 km

Reynieu washhouse

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Multi-purpose washhouse in the commune of Brangues. It is fed by the Reynieu stream. Its source is in Arandon.

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15.0 km

Groslée Bridge

Highlight • Bridge

Bridge over Rhône which allows to pass from Ain to Isère, placed on Via Rhôna

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29.8 km

Cerin Peat Bog

Highlight • Other

Cerin Lake, also known as the Cerin Peat Bog, is subject to various environmental protections. The early development of its formation compared to other lakes in the Jura Mountains makes …

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29.8 km

View of the Tourbière de Cerin

Highlight • Viewpoint

Viewpoint from the road to Innimont on the Cerin peat bog.

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31.7 km

View of Innimond and its church

Highlight • Other

Beautiful road with beautiful asphalt with a beautiful view of the village and the mountains in the background

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73.2 km

End point

Bus stop

Way Types & Surfaces

Way Types

67.0 km

4.70 km

813 m

529 m

148 m

< 100 m

Surfaces

64.7 km

8.47 km

< 100 m

Elevation

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

Highest point (930 m)

Lowest point (200 m)

Weather

Today

Wednesday 1 July

29°C

18°C

0 %

Additional weather tips

Max wind speed: 26.0 km/h

to get more detailed weather forecasts along your route

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

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Groslée Bridge – Cerin Peat Bog loop from Sermérieu

Morestel Medieval Town and Castle

Château de Brangues

Brangues town centre

Reynieu washhouse

Groslée Bridge

Cerin Peat Bog

View of the Tourbière de Cerin

View of Innimond and its church

Nearby routes

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