GR®12A
About this route
GR®12A is a 142.6 km National Hiking hiking route running from Pierrefonds to Saint-Erme.
At 142.6 km, this is a demanding long-distance hike that may be split across multiple days. At an average walking pace you can expect to complete the route in roughly 31 hours and 42 minutes.
This is a point-to-point route, running from one location to another. Plan ahead for return transport, or consider reversing the route on your way back. The trail is officially waymarked as GR 12A, so look out for the trail markers along the way.
This route is part of the National Walking Network (NWN) — a flagship trail maintained to national standards, often following scenic or historically significant corridors.
Route Story
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