The ascent of l´Angliru (1570 msnm) is a mythical end of the stage of the "Vuelta Ciclista a España". An ascent of 12.4 kilometers, which begins in the town of Riosa, with an average unevenness of 9.9% (almost 10%), with ramps in the last kilometers of up to 23, 9%, a real wall that can decide the final classification if any of the cyclists who play "La Vuelta" has a bad day.