Masset Sound is a 38 kilometres (23.6 mi) saltwater inlet

Inlet

An inlet is a narrow body of water between islands or leading inland from a larger body of water, often leading to an enclosed body of water, such as a sound, bay, lagoon or marsh. In sea coasts an inlet usually refers to the actual connection between a bay and the ocean and is often called an...

 on Graham Island

Graham Island

Graham Island is the largest island in the Haida Gwaii archipelago , lying off the coast of British Columbia, Canada. It is separated only by a narrow channel from the other principal island of the group, Moresby Island Graham Island is the largest island in the Haida Gwaii archipelago (formerly...

, the largest and northernmost of the Haida Gwaii islands of the North Coast of British Columbia

British Columbia Coast

The British Columbia Coast or BC Coast is Canada's western continental coastline on the Pacific Ocean. The usage is synonymous with the term West Coast of Canada....

, 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...

, connecting Masset Inlet

Masset Inlet

Masset Inlet is a large saltwater bay located in the heart of the lowland of northern Graham Island, the northernmost and largest island of the Haida Gwaii islands on the North Coast of British Columbia, Canada...

 in the island's interior with the open sea via Masset Harbour and McIntyre Bay to the Dixon Entrance

Dixon Entrance

The Dixon Entrance is a strait about long and wide in the Pacific Ocean at the International Boundary between the U.S. state of Alaska and the province of British Columbia in Canada. It was named by Joseph Banks for Captain George Dixon, a Royal Navy officer, fur trader, and explorer, who...

. It averages 1.5 kilometre (0.93205910497471 mi) in width and is less than 750 metres (2,460.6 ft) width in certain spots. The town of Masset

Masset, British Columbia

Masset , formerly Massett, is a village in Haida Gwaii in British Columbia, Canada. It is located on the northern coast of Graham Island, the largest island in the archipelago, and is approximately west of mainland British Columbia. It is the western terminus of the Yellowhead Highway...

is located on the east bank of Masset Sound's northern end.