Mount Reimer (77°48′S 86°12′W / 77.800°S 86.200°W) is a mountain, 2,430 m, in the northern portion of the Sentinel Range, standing on the south side of Newcomer Glacier 5 mi southwest of Mount Warren. It surmounts Skaklya Glacier to the southeast and Vidul Glacier to the north-northwest.
The mountain was named by US-ACAN for John D. Reimer of U.S. Navy Squadron VX-6, aerial photographer on flights over this range on Dec. 14–15, 1959.[1]