Not sure if anyoen else has seen this but looks useful:
Mountain Information On Your Mobile
On her visit to Snowdonia, Julia Bradbury found out about a smartphone app which gives people information and safety advice about mountains across the UK. If you would like to find out more, click on the link below.
Llanberis Mountain Rescue on a joint initiative with input from the British Mountaineering Council, Mountain Leader Training UK, Sports Wales, the Met Office and the Welsh Assembly, with the aim of reducing the amount of avoidable call-outs that mountain rescue receive have developed this.