The Lyth Valley is on the edge of the Lake District National Park in Cumbria, England.
[2] As a result of local government reorganisation in Cumbria, since 2023 it is part of the Westmorland and South Lakeland council area.
[7][6] The Agency committed itself to keeping the pumping stations in operation until 2020 to allow more time for a decision on how water level management would be organised in future.
[9][10] In 2014 it was reported that 35 ha of wetland habitat was being created in the Lyth Valley on the edge of the Sizergh estate.
The project received funding from Natural England as part of a higher level stewardship scheme.