Discovered in November 1911 by the Norwegian expedition under Roald Amundsen, and named by him for Captain Thorvald Nilsen, commander of the ship Fram.

A peak, 2,650 metres (8,690 ft) high, on the east flank of Amundsen Glacier, standing 2 nautical miles (3.7 km; 2.3 mi) northwest of Mount Stubberud on the ridge descending from northern Nilsen Plateau.

A mountain, 2,970 metres (9,740 ft) high, standing 2 nautical miles (3.7 km; 2.3 mi) southeast of Beck Peak on a ridge from the north side of Nilsen Plateau.

A peak, 3,030 metres (9,940 ft) high, standing 4 nautical miles (7.4 km; 4.6 mi) southeast of Mount Stubberud on a ridge from the north side of Nilsen Plateau.

A spur, 8 nautical miles (15 km; 9.2 mi) long, descending from the northwest side of Nilsen Plateau and terminating at the edge of Amundsen Glacier just east of Olsen Crags.

A mountain, 3,830 metres (12,570 ft) high, surmounting the west side of Nilsen Plateau, 4 nautical miles (7.4 km; 4.6 mi) east-northeast of Mount Kristensen.

Named by US-ACAN to describe the appearance of the summit, a somewhat circular rock band contrasting with the ice surface of Nilsen Plateau.

A canyon with very steep rock walls, 8 nautical miles (15 km; 9.2 mi) long, indenting northern Nilsen Plateau just west of Fram Mesa.

A narrow rock ridge descending westward from northern Fram Mesa and terminating at the east side of Amundsen Glacier.

An ice-covered escarpment, 30 nautical miles (56 km; 35 mi) long and over 3,000 metres (9,800 ft) high, trending in a north–south direction and forming the east edge of Nilsen Plateau and Fram Mesa.

A prominent peak, 3,655 metres (11,991 ft) high, standing 2 nautical miles (3.7 km; 2.3 mi) south of Mount Astor at the north end of Fram Mesa.

A peak, 2,640 metres (8,660 ft) high, standing 2 nautical miles (3.7 km; 2.3 mi) northwest of Mount Kristensen on the west side of Nilsen Plateau.

A mountain, 3,460 metres (11,350 ft) high, standing on the west side of Nilsen Plateau 2 nautical miles (3.7 km; 2.3 mi) southeast of Lindstrøm Peak.

The name is descriptive of the sound made by the wind here; standing in the quiet, windless valley below, a roaring noise like an approaching train can be heard high up on the cliffs.

A prominent peak 2,360 metres (7,740 ft) high, on the west slope of the Nilsen Plateau, standing 6 nautical miles (11 km; 6.9 mi) south of Mount Kristensen, at the east side of Amundsen Glacier.

The name was proposed by Edmund Stump of the USARP Ohio State University field party which geologically mapped the bluff on Dec. 27, 1970.

A massive ice-covered mountain, 3,610 metres (11,840 ft) high, surmounting the east side of the Nilsen Plateau at the head of Bartlett Glacier.

The easternmost peak, 2,410 metres (7,910 ft) high, on the small ice-covered ridge 5 nautical miles (9.3 km; 5.8 mi) east of Mount Kendrick.

Named by US-ACAN for Commander Arpad J. Toth, USNR, operations officer in charge of Williams Field, McMurdo Sound, 1962–64.

An ice-free mountain, 2,230 metres (7,320 ft) high, standing 2 nautical miles (3.7 km; 2.3 mi) east of Mount Dort, at the south side of Cappellari Glacier.

Named by US-ACAN for John W. Clough, geophysicist who participated in the South Pole-Queen Maud Land Traverse II, summer 1965-66.

A prominent rock peak, 1,940 metres (6,360 ft) high, standing 4 nautical miles (7.4 km; 4.6 mi) south of Mount Dort on the east side of Amundsen Glacier, in the Queen Maud Mountains.