|Location||Charterhouse, Somerset, UK|
|Depth||147 metres (482 ft)|
|Length||253 metres (830 ft)|
It is 253 m in length and reaches a depth of 147 m.
The cave was discovered in 1971 after a successful dig by members of the Wessex Cave Club. Previous digging by the University of Bristol Spelaeological Society had unearthed remains of extinct animals, hence the cave's name.
The cave is locked and access is controlled by the Charterhouse Caving Company.
- D. T. Donovan, R. D. Stride & A. M. Ap Simon, Rhino Rift Log: A record of the excavations from 9 Nov 1947 to 13 June 1948 (Excavation log including plans & sections, MS in 19 cm 8vo notebook), library of the University of Bristol Spelaeological Society
- "Mendip". UK and Ireland Cave Lengths and Depths. Retrieved 2007-02-18.
- Audsley, A., 1971. The history of the present dig at Rhino Rift. WCC Jnl 11 (134) pp236-240.
- Donovan,D.T., 1951. Report on Rhino Rift. UBSS Proceedings, 6(2) , pp 213-0
- Transactions of the Cave Research Group of Great Britain, vol. 14 (1972), p. 191
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