2916 shaft
Barrio de los Urros 30T 448509 4800413 Altitude 173m Length 64m Depth 51m

Updated 15th October 2008; 15th October 2011

The site has a powerful draught at times. Exploration and bolting in the summer 2008 were hindered by swarms of flies.
Exploration was extended over 5 days as first "not enough ladders" then "needs bolts" then "not enough rope" played their parts.
After passing through sandstone at the entrance, a 16m pitch drops to a mud slope and rock bridge. The following p5 has a narrow pitch head but quickly opens out, landing on sandstone blocks. A p11 with loose blocks all the way down lands at the head of a further drop (p12) and a passage which quickly chokes. The base of the p12 has a flat bottom and a narrow rift.

The site was collapsed - boulders and soil across the top of the entrance - when visited in the summer, 2011.

Reference: anon., 2008c (Easter logbook); anon., 2008e (summer logbook); anon., 2011d (summer logbook)
Entrance pictures: yes
Underground pictures :
Video :
Detailed Survey : pdf file
Line Survey :
On area survey :
Survex file : yes