Keswick is an English market town and civil parish formerly part of Cumberland and since 1974 in the Borough of Allerdale in Cumbria. The town, in the Lake District National Park, just north of Derwentwater, and 4 miles (6.4 km) from Bassenthwaite, had a population of 4,821 at the time of the 2011 census.
Open Water Swimming
The Great Lake District Swim Challenge is a series of 17 open water swims in the Lake District of the UK. The stage swim event that traverses over 214 miles in 17 lakes over 4 days offers a total of 16.1 km of open water swimming with the shortest swim of 500m and the longest swim of 2 km, that starts in Keswick. Great Lake District Swim Challenge West includes an optional acclimatisation swim in Keswick on Friday, swims in Wastwater and Ennerdale on Saturday morning, swims in Loweswater, Crummock and Buttermere on Saturday afternoon, swims in Derwent Water and Bassenthwaite on Sunday morning, and a final swim in Thirlmere on Sunday afternoon between 7-9 August. Great Lake District Swim Challenge East: includes an optional acclimatisation swim in Ambleside on Friday, swims in Windermere, Coniston, Esthwaite and Elter Water on Saturday morning, swims in Rydal and Grasmere on Saturday afternoon, swims in Brothers Water and Ullswater on Sunday morning, and a final swim in Haweswater on Sunday afternoon between 4-6 September.