Spain, Castilla y Leon, Spain
A ribbon of tarmac threading beech forests beneath the jagged western Picos de Europa.
Length
30 km
In miles
18.6 mi
Driving time
45 min
Atlas rating
9.1 / 10
The run
Posada de Valdeon to Boca de Huergano, following the CL-625. Drive it in either direction, though the views usually favour the climb.
Season
Snow possible November to April at the summit
Nearby
24 km away
Lagos de Covadonga Road
Hairpins climb from the Covadonga basilica into limestone peaks above two glacial lakes.
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Puerto de Somiedo
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N226 to the Tua Valley
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Mezio to Lamas de Mouro
A lonely ridge road through the Peneda massif with sweeping views over granite peaks.
312 km away
N304 Peneda Geres
Portugal's only national park unfolds in granite crags, waterfalls and wild ponies.
317 km away
N222 Douro Valley Road
Voted among the world's best roads, it snakes above terraced vineyards along the Douro.