High Dam Tarn
| High Dam Tarn | ||
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| The High Dam Tarn | ||
| Geographical location | England , Cumbria | |
| Tributaries | two unnamed | |
| Drain | an unnamed | |
| Islands | 2 | |
| Data | ||
| Coordinates | 54 ° 17 '27 " N , 2 ° 58' 55" W | |
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| Altitude above sea level | 172 m ASL | |
| length | 365 m | |
| width | 190 m | |
| Maximum depth | 10 m | |
The High Dam Tarn is a lake in the Lake District , Cumbria , England . The lake is west of Lake Windermere , near its southern end, north of the village of Finsthwaite . The lake was created in 1835 when the natural Finsthwaite Tarn was dammed with a dam to ensure a reliable water supply for the Stott Park Bobbin Mill .
In 1858 the mill wheel was replaced by a water-powered turbine . For this reason, the so-called Low Dam Tarn ( 54 ° 17 ′ 18 ″ N , 2 ° 58 ′ 40 ″ W ) was created east of the High Dam Tarn, which ensured constant water pressure for the turbine from the outflow of the High Dam Tarn.
Both lakes were originally surrounded by heathland. In the late 19th century, birch and oak were planted to obtain wood for the mill and for the production of charcoal.
The lake has two unnamed tributaries from the southeast and an unnamed outflow on its east side. The drain flows into the Windermere.