Thesiger Bay

Hadley Bay
Hadley Bay
Location	Viscount Melville Sound
Coordinates	71°30′01″N 124°05′10″W / 71.50028°N 124.08611°W / 71.50028; -124.08611 (Thesiger Bay)[1]
River sources	Masik River
Ocean/sea sources	Arctic Ocean
Basin countries	Canada
Settlements	Sachs Harbour

Thesiger Bay^[1]is a Canadian Arctic waterway in the Northwest Territories. It is an arm of the Beaufort Sea on southwestern Banks Island. The Masik River empties into Thesiger Bay.

The bay is approximately 5 km (3.1 mi) south of Sachs Harbour.

Ringed seal frequent the area.