Bumpass Hell is the largest concentration of hydrothermal features in Lassen. There were still several feet of snow on the hike in (at over 7,000 feet!)
Approaching the fumeroles, bubbling mud pits etc.
Bumpass Hell is the largest concentration of hydrothermal features in Lassen. There were still several feet of snow on the hike in (at over 7,000 feet!)
Approaching the fumeroles, bubbling mud pits etc.