So named by the Texas Tech Shackleton Glacier Expedition (1964 65) because a pyramidal peak at its southern extremity appears to be dangling from the ridge as a pendant.

So named by the Texas Tech Shackleton Glacier Expedition (1964-65) because of the ease with which they were able to approach the feature, and because of the relative simplicity of its geologic nature.

The central of three ice-free hills at the north side of McGregor Glacier, 6 nautical miles (11 km; 6.9 mi) south-southwest of Mount Finley.

A rock peak 3 nautical miles (5.6 km; 3.5 mi) southeast of Mount Finley, overlooking the north side of McGregor Glacier in the Queen Maud Mountains.

Named by US-ACAN for Gaither D. Bynum, USARP satellite geodesist at McMurdo Station, winter 1965.