See photos here:
http://imgur.com/a/T5uaE
I climbed this the other week while in El Chorro, it is not in the Rockfax guide nor the UKC database. It is about 200m left of the main climbing area (Cantolandia, etc)
The route is roughly 45-48m, and takes the right arete of the main face to an overlap at about 6-7m, then continues straight up the face on increasingly thin and unhelpful cracks and smears.
I made enough of a meal of it to dissuade any others in the group from following me up, and have guessed at a grade around 7a+
If you know the route / grade I'd be very grateful for any info, cheers.