Join 1 upcoming events being held in Hay River. Hay River, located in the South Slave Region of Canada's Northwest Territories, is a vibrant community nestled on the shores of the majestic Hay River and Great Slave Lake, offering a unique blend of natural beauty, rich indigenous culture, and outdoor recreational activities, from fishing and hunting to snowmobiling and dog sledding, making it an ideal destination for adventure-seekers and nature enthusiasts.