Runnelstone Rock (65°47′S 65°20′W) is a rock lying at the southwest end of Grandidier Channel, 3 nautical miles (6 km) northwest of Larrouy Island and 16 nautical miles (30 km) west-southwest of Cape Garcia, Graham Land. Charted by the British Graham Land Expedition (BGLE) in 1935-36 and named after the Runnel Stone off Land's End, Cornwall, England.
This article incorporates public domain material from the United States Geological Survey document "Runnelstone Rock" (content from the Geographic Names Information System).
References
Runnelstone Rock Wikipedia(Text) CC BY-SA