ALASKA PENINSULA

stretch of land extending southwest from mainland Alaska, U.S., for 500 miles (800 km) between the Pacific (southeast) and Bristol Bay, an arm of the Bering Sea. The volcanic Aleutian Range runs along its entire length. It is the site of the Katmai National Park and Preserve, the Aniakchak National Monument and Preserve (qq.v.), and the Becharof, Alaska Peninsula, and Izembek National wildlife refuges.