Katmai is a volcano located in south western Alaska. It is 6,715 ft. ( 2,047m). Katmai is now extinct. Scientists are not sure of the last time it erupted. Although in 1912 a volcano near Katmai erupted. For a while scientists thought it was katmai that erupted but it was actually a nearby peak by the name of Novarupta. The rock was so hot that it melted Katmai. All that was left was a crater. The place where Katmai once was is now a National Park.