Circuit du Trou de l'Enfer / Saint-Nicolas

Circuit du Trou de l'Enfer / Saint-Nicolas is a 8.1 km Local Hiking hiking trail covering an interesting stretch of countryside.

This 8.1 km route sits in the sweet spot for a half-day outing — long enough to feel rewarding, short enough to leave the afternoon free. Expect around 1 hour and 48 minutes.

Laid out as a circular walk, this trail finishes exactly where it begins — no need to arrange transport back or retrace your steps. Follow the Groix - 3 waymarkers throughout to stay on the official trail line.

As a Local Walking Network (LWN) route, this trail has a strong community character. It serves both regular local walkers and visitors discovering the area for the first time.