Senda Pirenaica - E21
About this route
Senda Pirenaica - E21 is a 20.6 km National Hiking hiking route running from Camping Aneto to Refugio de Viadós.
At 20.6 km, this is a challenging full-day or multi-stage hike. At an average walking pace you can expect to complete the route in roughly 4 hours and 35 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 11, 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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