Castleton SSSI, Derbyshire
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LocationDerbyshire
Area2,035.9 acres (8.239 km2; 3.181 sq mi)
| Site of Special Scientific Interest | |
  Location within Derbyshire | |
| Location | Derbyshire |
|---|---|
| Grid reference | SK120820 |
| Coordinates | 53°20′05″N 1°49′17″W / 53.334775°N 1.8212606°W |
| Area | 2,035.9 acres (8.239 km2; 3.181 sq mi) |
| Notification | 1987 |
Castleton is a Site of Special Scientific Interest (SSSI)[1][2] in Derbyshire, England within Peak District National Park. It is located between Castleton and Sparrowpit, close to Edale and borders Mam Tor hill. This protected area includes Winnats Pass.
Castleton SSSI marks the northernmost extent of carboniferous limestone within the Peak District. Underground, the area has important cave systems, including Eldon Hole, located near Eldon Hill. The karst drainage systems connected to this protected area include Peak Cavern, Treak Cliff Cavern and Speedwell Cavern.