Three peaks challenge The National Three Peaks Challenge involves climbing the three highest peaks of Scotland, England and Wales, all within 24 hours. The total walking distance is 23 miles (37km) and the total ascent is 3064 metres (10,052ft). The three mountains are: Snowdon, in Wales (1085m) Scafell Pike, in England (978m) Ben Nevis, in Scotland (1345m) More information about the challenge can be found on the National Three Peaks Challenge website. If you're interested in this challenge, why not get a team together to make a difference to Wiltshire's wildlife at the same time? Download our sponsorship form here to get started. Good luck!