Circuit du Trou de l'Enfer / Saint-Nicolas

Groix, Bretagne, France

4.9 miles (8.0 km) · 265 ft elevation gain · Loop · trail · Route

Circuit du Trou de l'Enfer / Saint-Nicolas is a 4.9 mile loop route located in Groix, Bretagne, France. The route climbs 265 feet and descends 277 feet. The course averages 62 feet of vertical gain per mile. 97% of the route can be run, with walking required on steeper grades. Surface conditions are primarily trail. Terrain difficulty is rated as hilly. Difficulty is rated 2.0 out of 10, placing it in the 19.52th percentile. This route serves both trail runners training for ultras and hikers exploring Bretagne.