Aniakchak National Monument is the least visited location with the National Park System, but back in the day, Aniakchak had one rough resident.
A footprint recently found is the first evidence that Tyrannosaurus rex once roamed in the area that is now part of Katmai National Park.
Park Rangers asked, “If you had seen this while exploring Aniakchak, would you have recognized it as a print?” Going by the photo, I would have to say “Not likely”, but I’ll remain optimistic.
The Monument surrounds the Aniakchak Volcano, which had a devastating eruption 3400 years ago. The Aniakchak caldera is 10 miles across and averages 500 meters deep. Within the crater is Surprise Lake, which is the source of the Aniakchak River.
Besides the lake, Vent Mountain is the other prominent feature within the crater. Vent Mountain is the source of the most recent eruption from Aniakchak, which took place in 1931.
Aniakchak received monument status in 1978.
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