Yellowstone Imperial Forest

A clearing in the forest of Yellowstone Imperial Forest. Mountain Eight, the seventh of the large mountains, looms in the background.

Yellowstone Imperial Forest (also known as Yellowstone National Forest) was a large wildlife reserve located in the state of Wyoming in the Waifurian Empire. It was home to the Supervolcanic Waifurium, which was the largest volcanically active mountain in the Milky Way Galaxy.