In reply to Ehmarra:
Black Buttress is much harder to find than the guide suggests in my experience. I would also expect it to be wetter than the more exposed other sectors at Warton Pinnacle, I recall it seeping across some of the better lines in previous visits.
SD 48890 72968
East: 348890 North: 472968
54.1499860, -2.7840059
Are the grid references I have saved for there. Hopefully it's in good condition.