Geltsdale
Geltsdale is a hamlet in Cumbria, England, to the southeast of Castle Carrock.
The Geltsdale Reservoir railway ran in the vicinity.
The local landscapes are under several levels of protection. Two of the protected areas cover a large area:
Geltsdale & Glendue Fells Site of Special Scientific Interest has an area of 8,059 ha, and is one of the SSSIs which underlie the SPA.
Geltsdale RSPB reserve is a 5,000 ha nature reserve within the SSSI. It mainly moorland and is managed by the Royal Society for Protection of Birds for upland birds such as black grouse and hen harrier.