4244: Diablo, Gruta del
Hoznayo 30T 442966 4804741 (Datum: ETRS89. Accuracy code: A) Altitude 28m
Length 18m
Area position

An impressive limestone arch through which the río Aguanaz flows. The upstream end also has the bottom entrance to site 4171, Cueva de la Fuente del Francés. The grid reference is for the downstream, northern entrance. Just north of here a dam maintains deep water under the arch.

Reference: anon., 2015d (autumn logbook)
Entrance pictures : yes
Underground pictures :
Video :
Detailed survey : survey with Cueva de la Fuente del Francés
Line Survey :
On area survey :
Survex file : yes : with Cueva de la Fuente del Francés (4171)