Healy Trough is a primary elongate trough in the Labyrinth of Wright Valley

Wright Valley

The Wright Valley is the central one of the three large Dry Valleys in the Transantarctic Mountains, located west of McMurdo Sound at approximately . Wright Valley contains the Onyx River, the largest river in Antarctica, Lake Brownworth, the origin of Onyx River, and Lake Vanda, which is fed by...

, McMurdo Dry Valleys

McMurdo Dry Valleys

The McMurdo Dry Valleys are a row of snow-free valleys in Antarctica located within Victoria Land west of McMurdo Sound. The region is one of the world's most extreme deserts, and includes many interesting features including Lake Vida and the Onyx River, Antarctica's longest river.-Climate:The Dry...

, extending diagonally SW-NE across the east part of the feature. Named by Advisory Committee on Antarctic Names

Advisory Committee on Antarctic Names

The Advisory Committee on Antarctic Names is an advisory committee of the United States Board on Geographic Names responsible for recommending names for features in Antarctica...

 (US-ACAN) (2004) after Terry R. Healy, Department of Earth Sciences, University of Waikato, Hamilton, New Zealand

New Zealand

New Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses and numerous smaller islands. The country is situated some east of Australia across the Tasman Sea, and roughly south of the Pacific island nations of New Caledonia, Fiji, and Tonga...

, who, with John Shaw

John Shaw

John Shaw was a Captain in the early years of the United States Navy.-Biography:He was born at Mountmellick, County Laois, Ireland, in 1773, and moved to the United States in 1790, where he settled in Philadelphia, and entered the merchant marine.Appointed Lieutenant in the United States Navy on 3...

, published observations on the formation of the Labyrinth following a visit in the 1975-76 season.