The Moose Ponds are an expansion of the South Nahanni River

South Nahanni River

The South Nahanni River is a major tributary of the Liard River, located roughly 500 kilometres west of Yellowknife in the Northwest Territories of Canada. It is the centerpiece of Nahanni National Park Reserve...

 just below its headwaters and are the starting point for 50 km of virtually continuous Class II - Class IV whitewater

Whitewater

Whitewater is formed in a rapid, when a river's gradient increases enough to disturb its laminar flow and create turbulence, i.e. form a bubbly, or aerated and unstable current; the frothy water appears white...

 in Canada

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

. This stretch of river is known locally as the Rock Gardens. The ponds are mostly within the Northwest Territories

Northwest Territories

The Northwest Territories is a federal territory of Canada.Located in northern Canada, the territory borders Canada's two other territories, Yukon to the west and Nunavut to the east, and three provinces: British Columbia to the southwest, and Alberta and Saskatchewan to the south...

, however a small portion of the largest and westernmost of the ponds does enter the Yukon.