The 20 red runs in the Pyrenees with the steepest stretch. Top is Malh Blanc at Cauterets Cirque du Lys, reaching 59% (31°) over 50 m. By the ATUDEM and AFNOR criteria, over 40% is already black-run terrain.
For every official red run of at least 300 m, its steepest 50 m stretch, measured with the elevation model (about 30 m precision, smoothed against false spikes). Stretches over 60% are left out: on a piste they are usually a drop beside it, not the run.
Malh Blanc, at Cauterets Cirque du Lys, with a 50 m stretch at 59%. Next come Central Tuca (Candanchú, 59%) and Ibón III (Panticosa, 59%).
For every official red run of at least 300 m, its steepest 50 m stretch, measured with the elevation model (about 30 m precision, smoothed against false spikes). Stretches over 60% are left out: on a piste they are usually a drop beside it, not the run. Data from OpenStreetMap via OpenSkiMap.