Gjoa Haven is a hamlet in Nunavut, above the Arctic Circle, located in the Kitikmeot Region, 1,056 km (656 mi) northeast of Yellowknife, Northwest Territories. It is the only settlement on King William Island. The name Gjoa Haven is from the Norwegian "Gjøahavn" or "Gjøa's Harbour", and was named by polar explorer Roald Amundsen after his ship Gjøa. The community is served by the Gjoa Haven Airport and by annual supply sealift. The area is home to CAM-B, a North Warning System site.