Elter Water is a small lake that lies half a mile (800 m) south-east of the village of Elterwater. Both are situated in the valley of Great Langdale in the English Lake District. The name Elterwater means either Lake of the Swan or Lake of Alder. The lake is 1030 yd (930 m) long and varies in width up to a maximum of 350 yd (320 m), covering an area of 0.06 mi² (0.15 km²). It has a maximum depth of 20 ft (6 m) and an elevation above sea level of 187 ft (57 m). The river Brathay which provides outflow from Elter Water flows south to join Windermere, near Ambleside.
Navigation is prohibited on the lake.
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. The Challenge is split into the east half and the west half of the Lake District. Swimmers cross the width, sometimes twice, of each of the lakes within the allotted time before moving onto the next lake by chartered mini-bus. Great Lake District Swim Challenge West is held on 8-9 August 2015 and Great Lake District Swim Challenge East is held on 5-6 September 2015.
Great Lake District Swim Challenge West includes an optional acclimatisation swim in Keswick on Friday, swims in Wast Water and Ennerdale Water 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.