The Theron Mountains () are a group of mountains, extending in a NE-SW direction for and rising , on the eastern side of the Filchner Ice Shelf. They were first seen from the air in 1956 by the Commonwealth Trans-Antarctic Expedition (CTAE) and named for the Theron, the ship of the CTAE in 1955–56. References Mountain ranges of Coats Land Filchner-Ronne Ice Shelf