Portillo de la Sia (South side)
Puerto de La Sía from Espinosa is quite a short climb to the border between the provinces of Cantabria and Burgos. It is a pleasant climb through green scenery which loosely follows the course of the Sía River.
Region: Castilla y León
City: Burgos
Distance: 8.44 km
Elevation Gain: 423 m
Elevation Loss: 94 m
Difficulty: 305 (Easy)
FIETS Index: 2.52 FIETS
Avg Grade: 5.93 %
Max cat climb: 2
Min elevation: 802 m
Max elevation: 1226 m
Ride Category: Climb