Le Sentier des Trois Frontières
Le Sentier des Trois Frontières is a 29.6 km National Hiking hiking route.
At 29.6 km, this is a challenging full-day or multi-stage hike. At an average pace, the route takes roughly 6 hours and 34 minutes to complete.
The route forms a complete loop, returning you to where you started. This makes logistics simple and the outing entirely self-contained. The trail is officially waymarked as GR 570, 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.
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Hoogtedata van SRTM via OpenTopoData (open dataset).