Puerto de las Señales is a high mountain pass at an elevation of 1.625m (5,331ft) above the sea level, located in the Cordillera Cantábrica, a mountain range in northern Spain.
The pass links the Principado de Asturias and Castilla y León. The road over the pass is asphalted. It’s called AS-177. This road is usually open all year, but it can be closed anytime when the access is not cleared of snow. Starting from La Foz, the ascent is 18.2km long. Over this distance, the elevation gain is 949 meters. The average slope is 5.2%.