04/20/2026
Mount Iliamna rises over 10,000 feet above Cook Inlet and is one of the most prominent volcanoes in the region. But like many places in Alaska, its name, and the story behind it, go back much further than its appearance on a map.
For thousands of years, this mountain stood within the homeland of the Dena’ina people, who lived in close relationship with the land, waters, and seasonal movements that define this region.
The name “Iliamna” is believed to be derived from Indigenous language connected to the area, though its exact origin and meaning have been adapted through Russian and later American mapping. Like many Alaska place names, what we use today is likely a transliteration shaped over time, rather than a direct translation.
During the Russian exploration and mapping of Alaska in the late 1700s to early 1800s, the name began appearing on charts, eventually becoming standardized as “Mount Iliamna.” Some early references also used the name “Mount Burnt,” likely describing its volcanic character.
Iliamna is an active stratovolcano, part of the Aleutian volcanic arc, formed by the subduction of the Pacific Plate beneath North America. While it has not had a confirmed large-scale eruption in modern recorded history, persistent steam activity and seismic movement confirm that it remains active.
PC: NPS/Buck Mangipane
