September 22, 23, and 24, 2023, in Alquézar – Sierra de Guara: the Ultra-Trail Guara Somontano
A race that comes highly recommended, taking place in the Sierra and Guara Gorges Natural Park—a natural park established in 1990 in the province of Huesca.
https://utgs.es/
https://kinetik-adrenalink.com