Global Volcanism Program | Image GVP-05296
Iliamna rises across Cook Inlet, seen here at sunset from the Kenai Peninsula. It is the southernmost of a chain of three large volcanoes west of the Cook Inlet. The eroded summit ridge consists of four peaks along a 5-km-long ridge extending south (left) of the highest point.
Photo by Alaska Volcano Observatory, U.S. Geological Survey.