The mountain is part of the lava flows that encircle the Madison Junction area. Near this site, in 1870, the Washburn-Langford-Doane Expedition is said to have camped and discussed the future of the region they were exploring. Legend has it that this was where the idea of the national park was discussed, but there is no evidence of the campfire conversation ever taking place, and there is certainly no evidence to show that the idea of a national park was discussed.