Grand tour du haut Estéron - Etape 4

Etape 4 - Thorenc - Caille

At 20.3 km, this is a challenging full-day or multi-stage hike. At an average pace, the route takes roughly 4 hours and 31 minutes to complete.

As a linear trail, this route has distinct start and end points. Return transport is worth arranging in advance unless you plan to walk back the same way. The trail is officially waymarked as GTHE, so look out for the trail markers along the way.

This is a Local Walking Network (LWN) trail — a community-level route perfect for exploring the immediate surroundings, popular with locals and visitors alike.