Mount Gardner () is a mountain (4,685 m) standing 1.5 nautical miles (2.8 km) west of Mount Tyree in the W-central part of the Sentinel Range, Ellsworth Mountains. Discovered by the Marie Byrd Land Traverse party, 1957–58, under C.R. Bentley. Named by Advisory Committee on Antarctic Names (US-ACAN) for Lieutenant Harvey L. Gardner, U.S. Navy, pilot in Antarctica in 1957-58 and 1958-59 seasons, who was killed in the crash of a UB-1 Otter airplane at Marble Point on January 4, 1959.
This article incorporates public domain material from the United States Geological Survey document "Mount Gardner" (content from the Geographic Names Information System).