Alaska Peninsula: geography, geology, ecology, and human use Alaska Peninsula Long, volcanic peninsula in southwestern Alaska separating the Pacific Ocean and Bering Sea; notable for rugged terrain, active volcanism, rich fisheries and wildlife refuges.
Aniak, Alaska: a river town and regional hub Aniak, Alaska Aniak is a small city on the Kuskokwim River in southwestern Alaska. A regional transport and service center for nearby villages, it had about 570 residents in 2007 and supports su…