04°54′S 72°37′E / 4.900°S 72.617°E
Colvocoresses Reef is a wholly submerged atoll in the Indian Ocean. It is located in the northeastern part of the Chagos Archipelago, near Speakers Bank and Blenheim Reef.[1] The reef is 8 km long, and measures 1 to 2 km across.[2] Breakers are visible only during heavy seas.
{{cite web}}
: CS1 maint: bot: original URL status unknown (link)