Located above the 74th parallel north directly on the Northwest Passage (i.e. close to 800 km north of the Arctic Circle), Somerset island is Canada's 12th largest island. Every summer hundreds if not thousands of belugas congregate in the Cunningham Inlet estuary at the mouth of the Cunningham River. Here they find shallow and warmer waters. They come to rub against the rocky bottom to molt their skin. An unbelievable sight!