An established sport climbing area that is undergoing a revival by local visionaries. New routes going up regularly, new guidebook won't be compiled for some time yet. Seek wisdom from traveling climbers and local hermits...
Oh, and BYOB, not much in the way of facilities this way.
Auto from Lleida: drive toward Tremp on C-13. Turn on C-1412b toward Isona, then take L-511 3km out of Isona. Turn left, continue uphill few kilometers to the town.