· National
· GR 11
Hard
Senda Pirenaica - E21
📏
20.6 km
Distance
⏱
5h 8min
Est. duration
⛰
Hard
Difficulty
➡
Linear
Route type
Senda Pirenaica - E21 is a 20.6 km National Hiking hiking route.
Covering 20.6 km, this demanding trail is best tackled by experienced walkers in good condition. Budget roughly 4 hours and 35 minutes or consider splitting it across two days.
This linear trail moves from one end to the other without looping back. A return journey by transport — or retracing the path — is needed to get back to the start. 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.
Elevation Profile
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Elevation data from SRTM via OpenTopoData (open dataset).
Map
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Waypoints
5 points along the routeA
Start
· Camping Aneto
B
Finish
· Refugio de Viadós
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Frequently Asked Questions
How long is the Senda Pirenaica - E21 hiking route?
Senda Pirenaica - E21 is 20.6 km long.
How much time should I allow for Senda Pirenaica - E21?
Most walkers allow around 5h 8min for Senda Pirenaica - E21 at a comfortable pace.
Is Senda Pirenaica - E21 a circular or linear route?
Senda Pirenaica - E21 is a linear route, not a loop. It runs from Camping Aneto to Refugio de Viadós. Return transport from the finish point is recommended.
Where does Senda Pirenaica - E21 start?
Senda Pirenaica - E21 starts at Camping Aneto.
Is Senda Pirenaica - E21 suitable for beginners?
Senda Pirenaica - E21 is not recommended for beginners. Good fitness and trail experience are needed.
Is Senda Pirenaica - E21 part of a larger trail network?
Yes, Senda Pirenaica - E21 is part of the National Walking Network (NWN), connecting this route to a wider network of long-distance hiking trails.