Peninsula, western Alaska, U.S. Its tip, Cape Prince of Wales, on the Bering Strait, is the most westerly point of North America.
The peninsula is about 180 mi (290 km) long and 130 mi (209 km) wide; its highest peak is 4,720 ft (1,439 m), in the Kigluaik Mountains. The city of Nome is on its southern coast.