Last year there was no problem finding water as it was coming from the sky non-stop. There was a problem finding the route as visibility was crap. It would be near impossible to wing this in anything other than perfect weather and even then...

I got lost on scafell pike for ages before sorting myself out and getting back in. I had a full, laminated os map. Unfortunately I was worried about the time I had taken so went straight back without going via the last checkpoint and dq'd myself.