Arrowsmith Peninsula
The Tyndall Mountains () are a group of mountains close south of Avsyuk Glacier in central Arrowsmith Peninsula, Graham Land. Photographed from the air by FIDASE, 1956–57. Mapped by Falkland Islands Dependencies Survey (FIDS) from surveys and air photos, 1948–59. Named by United Kingdom Antarctic Place-Names Committee (UK-APC) for John Tyndall (1820–93), Irish mountaineer and pioneer glaciologist, author of many works on glaciers and the physical properties of ice.