Thinking about taking on the UK's Three Peaks? Here's what we learned from climbing Ben Nevis and Snowdon, plus the practical information you need to know about Scafell Pike, parking, routes, accommodation, timings and the famous 24-hour challenge. There are some travel plans that look wonderfully straightforward when you're sitting at home looking at a map. The UK Three Peaks was one of ours. Ben Nevis. Scafell Pike. Snowdon. Three mountains. Three countries. One enormous ch