4338: Hoyo 1 (2104 (French: SCD))
Arredondo 30T 450866 4792564 (Datum: ETRS89. Accuracy code: M) Altitude 328m
Area position

Updated 25th September 2018

The information below has been roughly translated from the French, Spéléo-Club Dijon reference, Simonnot G, 2016.

(No description).
Near a ruined house in the Vallina valley (between Rotura and Fuentes).

References: Simonnot G, 2016; Simonnot G, 2018
Entrance pictures :
Underground pictures :
Video :
Detailed survey :
Line Survey :
On area survey :
Survex file :