2022-12-01 Belley

2022-12-02 Belley

2022-12-03 Belley

2022-12-04 Belley

Hiking circuit following the course of the river, the Séran and allowing the discovery of the site of the Virgin of Fierloz and the Cerveyrieu waterfall.

This 2.5 hour walk will allow you to discover two sites labelled as Sensitive Natural Spaces in the Ain department:
- the Fierloz massif, a 74-hectare limestone plateau with lapiaz formed 140 million years ago, labelled a Sensitive Natural Area by the Ain department.
From the top of the statue of the Virgin of Fierloz, you can enjoy a magnificent panorama of the landscapes of the southern Bugey.
- The Cerveyrieu waterfall, a spectacular waterfall from which you have an exceptional view of the mountains.

Signs will inform you about the environmental issues of these sites that should be respected and preserved.

Marking: yellow then yellow-red

Detailed circuit in the topo-guide "hikes in Bugey" of the Departmental hike committee of Ain including 71 hikes to discover Bugey.
On sale at the Tourist Office for 14 €

Open period

From 01/01/ to 31/12/


  • Drop : 140 m
  • Distance : 7 km
  • Daily duration : 120 mn


  • Level green –very easy