Mackenzie River Great Slave Lake, at Fort Resolution, Northwest Territories. The Slave is by far the largest river flowing into the lake, with an annual flow of 108 km (87 million acre-feet). It contributes about 77% of the overall inflow, and forms a large delta where it enters the lake. Other rivers entering Great Slave Lake area the Taltson, Lockhart and Hay Rivers, the latter of which also extends into Alberta and BC. The Mackenzie River issues from the western end of Great Slave Lake about south-west of Yellowknife. The channel is initially several kilometres wide but narrows to about at Fort
Albreda Lake shore of the lake. Albreda Lake Albreda Lake is a lake in Thompson-Nicola Regional District in the Interior region of British Columbia, Canada. It is in the Pacific Ocean drainage basin. The primary inflow, at the northeast, and outflow, at the southeast, is the Albreda River, which flows via the North Thompson River, the Thompson River and the Fraser River to the Pacific Ocean. The locality of Albreda is to the north, and both British Columbia Highway 5 and the Canadian National Railway transcontinental main line (used by freight traffic and the Via Rail "Canadian" train) pass by to the