|Location||Mangaia, Cook Islands|
To'uri Cave is a karst cave located on Mangaia, Cook Islands in the Tava'enga district. The cave contains two running subterranean streams, one freshwater and the other salt. There is a 400 metres sump inside the cave which ends in a permanent sump.
- Joanna C. Ellison (August 1994). "Caves and Speleogenesis of Mangaia, Cook Islands" (PDF). National Museum of Natural History. Retrieved 31 July 2020.
- Stanley, David. South Pacific Handbook. Moon Travel Handbooks. p. 351.
- Iliffe, Thomas. "Anchialine Caves and Cave Fauna of the South Pacific" (PDF).