From Rignat, a loop at the foot of Mont Pilon in the Vieudrin forest before joining the Bohas forest along the Suran river. Trails lined with low walls and karstic dolines.
Discover: the vineyards of Rignat and Gravelles (return journey), the Biolière ford, the Suran gorges and the Plan Corneil ford (return journey), views of the Bugey, the 4 milestones site, the coal furnaces, the Bohas church, Bohas castle, ...
Other departures :
- Bohas town hall
- Gravelles (small junction)