Bigend Saddle is a snow-covered saddle at the southwest side of Mount Betty

Mount Betty

Mount Betty is a small ridge overlooking Ross Ice Shelf, located on the north side of Bigend Saddle in the northeast extremity of the Herbert Range, Queen Maud Mountains. Discovered in November 1911 by Captain Roald Amundsen, and named by him for Betty Andersson, nurse and housekeeper in the...

 in northern Herbert Range

Herbert Range

The Herbert Range is a mountain range in the Queen Maud Mountains of Antarctica, extending from the edge of the polar plateau to the Ross Ice Shelf between the Axel Heiberg and Strom glaciers....

, Queen Maud Mountains

Queen Maud Mountains

The Queen Maud Mountains are a major group of mountains, ranges and subordinate features of the Transantarctic Mountains, lying between the Beardmore and Reedy Glaciers and including the area from the head of the Ross Ice Shelf to the polar plateau in Antarctica...

. The saddle was traversed in December 1929 by the Byrd Antarctic Expedition geological party under Laurence Gould. It was named by the Southern Party of the New Zealand Geological Survey Antarctic Expedition

New Zealand Geological Survey Antarctic Expedition

The New Zealand Geological Survey Antarctic Expedition describes a series of scientific explorations of the continent Antarctica. The expeditions were notably active in 1957-58 and again in 1958-59. The 1957-58 expedition went to the Ross Dependency and named the Borchgrevink Glacier...

, 1963–64, because one of the party's motor toboggans was abandoned here with a smashed big end bearing.