Countryside and fortresses – Walls of the Upper Duero by bike
Touring bike · ES · 295 km · 6 stages
The waters of the upper Duero mediated the conflicts between Christians and Muslims during the 10th and 11th centuries. Fortresses and walls on both sides of the river in the province now known as Soria were the epicentre of many battles. Built by Muslims, the Gormaz Castle was the largest in Europe
by Alvaro Hernandez