Longhoughton Quarry
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| Site of Special Scientific Interest | |
  Location within Northumberland | |
| Location | Northumberland |
|---|---|
| Grid reference | NU229152 |
| Coordinates | 55°25′50″N 1°38′12″W / 55.430663°N 1.636646°W |
| Interest | Geological |
| Area | 6.7 hectares (17 acres) |
| Notification | 1968 |
| Location map | DEFRA MAGIC map |
| Natural England website | |
Longhoughton Quarry is a Site of Special Scientific Interest (SSSI) in north Northumberland in North East England. The site is a now disused quarry which yielded whinstone, a hard dark rock associated in Northumberland with the Whin Sill.[1][2]
Longhoughton Quarry is situated 0.9 miles (1.4 km) west of Longhoughton, a coastal village in Northumberland. The SSSI covers an area of 6.7 hectares (17 acres). The quarry displays intrusions of the igneous rock dolerite beneath a Great Limestone stratum, and shows variously the incorporation of blocks of sedimentary rock; baking of sedimentary rock, and the delineation of ancient watercourses.[1][2]
The condition of Longhoughton Quarry was judged to be favourable in 2009.[3]