520Miles
40–50Days
160,000 ftGain
ThruType
Permits
System
None — refugio reservationsOrdesa y Monte Perdido and Aigüestortes national parks restrict bivouacking to above set altitudes and hours. Many hikers mix camping with refugio nights.Apply or read more
Cost
Free; refugios about €20–60 per night
Bear storage
Not applicable
Season
Best
Late June – mid September.
JFMAMJJASOND
PeakShoulderClosed
On trail
Water
Plentiful in the central Pyrenees; drier at both ends.
Resupply
Villages every 2–5 days.
Notes
Coast to coast across the Spanish side of the Pyrenees, about 840 km. Higher and wilder than the French GR10.
Elevation
0 ftHigh 2,900 ft
Resupply towns
Elizondo
Zuriza
Candanchú
Torla
Benasque
Espot
Puigcerdà
Llançà
Recommended gear