Thelon River, 904 km long, issues from Lynx Lake, east of Great Slave Lake, NWT. It has a DRAINAGE BASIN
of 142 400 km2
- third among rivers flowing into Hudson Bay - and a mean discharge of 840 m3
/second. It flows north and then east across the Barren Lands of the territory of Nunavut, through Beverly, ABERDEEN
, Schultz and Baker lakes and empties into CHESTERFIELD INLET
, on Hudson Bay. Its main tributaries are the DUBAWNT RIVER
, flowing north from DUBAWNT LAKE
, and the KAZAN RIVER
, draining numerous lakes to the southwest. The area was the haunt of the CARIBOU INUIT
until the herds were depleted. Joseph TYRRELL
and his brother James TYRRELL
examined the river in 1893-94. The Thelon Game Sanctuary (38 850 km2
) was established in 1927 to protect the endangered MUSKOX
. In 1990 the river was designated as part of the CANADIAN HERITAGE RIVER SYSTEM
Links to Other Sites
Information about the natural history and heritage value of the Thelon River. From the "Canadian Heritage Rivers System" website.
Thelon Wildlife Sanctuary
An illustrated guide to the Thelon Wildlife Sanctuary, which straddles the border of Nunavut and the Northwest Territories and was established in 1927 to conserve muskox populations. From the Nunavut Parks and Special Places website.
Insect biodiversity in the Thelon Wildlife Sanctuary
This article offers a brief survey of insect biodiversity in the Thelon Wildlife Sanctuary as well as a description of local geography. Includes a map of the sanctuary area. From the University of Alberta journal "Arctic Corner."