Runnel Stone

Runnel Stone
Cardinal mark anchored to the south of the Runnel Stone to guide ships away from the reef
Runnel Stone
Location in Cornwall
Coordinates: 50°01′48″N 5°40′30″W / 50.030°N 5.675°W / 50.030; -5.675
LocationCornwall, UK

The Runnel Stone (Cornish: Men Reunel, meaning stone abounding in seals), or Rundle Stone, is a hazardous rock pinnacle about 1-mile (1.6 km) south of Gwennap Head, Cornwall, England, United Kingdom. It used to show above the surface at low water until a steamship struck it in 1923.