Pyramid Trough is a deep trough immediately west of The Bulwark

The Bulwark

The Bulwark is a 1946 novel by Theodore Dreiser.-Plot summary:Hannah and Rufus Barnes, both Quakers, move out of Maine to Trenton, New Jersey, where Hannah's widowed sister lives. Their son Solon, the protagonist, meets Benecia Wallin; although she is affluent and he is not, they get married...

, through which a part of the Koettlitz Glacier

Koettlitz Glacier

The Koettlitz Glacier is a large Antarctic glacier lying west of Mount Morning and Mount Discovery, flowing from the vicinity of Mount Cocks northeastward between Brown Peninsula and the mainland into the ice shelf of McMurdo Sound....

 formerly flowed north to Walcott Bay

Walcott Bay

Walcott Bay is a bay indenting the coast of Victoria Land between Walcott Glacier and Heald Island. Named by the British Antarctic Expedition in association with Walcott Glacier....

. Named by the Victoria University of Wellington Antarctic Expedition (VUWAE) (1960-61) for its proximity to The Pyramid

The Pyramid

The Pyramid is a small island south of Pitt Island in the Chatham Islands group of New Zealand....

.

Trough Lake is a lake named in association with Pyramid Trough.

Pyramid Pond is a pond named in association with Pyramid Trough.