Green Hows Upper Tarn

Type; Reservoir
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Location; Graythwaite
Accessibility; Access Land
Grid Ref; SD 360 898
Elevation; 152 m (500 feet)
Size; 410 x 83 m (1332 x 270 feet)
Area; 3.22 hectares (7.94 acres)
Depth; unknown
Meaning of name;
Alternative name(s); Great Green Hows Tarn or High Tarn

Green Hows Upper Tarn (and its near neighbour, Green Hows Tarn) was constructed as a boating and fishing lake for the owners of Graythwaite hall. It lies on Access Land and may be approached either from the Graythwaite-Crosslands road or from High Dam Tarn, ½ mile to the south.

It's reasonably attractive for an low fell tarn, with a concrete dam and spillway at the northern end. There is a boathouse near the dam, however it's far from a traditional one - appearing to be a steel framework clad in pine. Maybe it's a more practical replacement for an older structure.