Buttermere Lake
                    General data
- Name: Buttermere Lake
 - Water system: River Derwent (Cumbria)
 - Water type: Natural lake
 - Progression: Buttermere Dubs -> Crummock Water -> River Cocker (Cumbria) -> River Derwent (Cumbria) -> Irish Sea -> Atlantic Ocean -> Planet Earth
 - Climates: Continental
 - Continents: Europe
 - Countries: England (UK)
 
Buttermere is a lake in the Lake District in North West England. It has a length of approximately 2 km and a maximum width of 0.54 km, an area of 0.9 square kilometres, a maximum depth of 28.6 metres, and a surface elevation of 100.3 metres above sea level. Its primary outflow is Buttermere Dubs, a short stream which connects the lake to Crummock Water.