Swim 2.4 miles over 2 laps from Waterhead Ambleside to Brathay Rocks and around Seamew Crag island.

Windermere is Britain's most popular destination for open water swimming, hosting the Great North Swim along side many other events. The swim in the X is based in the Northern Basin of the lake with outstanding views towards the Langdale Pikes, Fairfield Horseshoe, Loughrigg and Wansfell Pike. Conveniently situated to the nearby town of Ambleside.