Alto de l'Angliru
La Vega-Riosa · Asturias
12.5 km
km
1266 m
D+
10.1%
avg
23.5%
max ramp
Spain's most feared climb: 12.5 km at 10.1% with the Cueña les Cabres at 23.5%. A road built specially for the 1999 Vuelta with no way through: you climb up and come back down the same way.
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FAQ
When is the best time to climb Alto de l'Angliru?
From June to September, when the Alpine passes are clear of snow. Always check seasonal openings and any tolls before heading out.
What gearing do I need for Alto de l'Angliru?
An average gradient of 10.1% calls for easy gearing: a compact crankset and a wide cassette. On ramps beyond 15% even strong riders appreciate a 34x32 or easier.
What's the steepest section of Alto de l'Angliru?
The steepest ramp hits 23.5%, almost double the average gradient (10.1%): over 12.5 km total, that's where the climb is won or lost. Keep something in reserve for it.