Access the largest hydrothermal area in the park via a 3-mile round-trip hike. A boardwalk takes visitors through a 16-acre bowl of plopping mudpots, bubbling pools, and roaring steam vents - including the super hot Big Boiler.
Little Hot Springs Valley
Located at the bottom of a steep valley, steam vents can be viewed via the park road with binoculars. There is no trail in this area.
There is no trail or parking area for this feature which includes steam vents, boiling pools and mudpots. One part of this area is visible from the park road; "Fart Gulch" is a chalk-colored hillside on the north side of the road near Little Hot Springs Valley. The sulfur smells makes this area easily identifiable.
The park's most easily accessed hydrothermal area features boiling mudpots and steam vents viewable via a sidewalk.
A hiking trail in the Warner Valley area leads visitors to this bubbling cauldron. Explore steam vents, mudpots, and boiling pools on a short loop.
Boiling Springs Lake
Accessed from the Warner Valley trailhead, this short hike leads to a bubbling lake with a temperature of the lake around 125 degrees. Mudpots and steam vents line part of the shore and drainage creeks. Be careful to stay on clearly marked trails in this area as the ground around the lake is unstable; travel in these areas may result in severe injury.
Access this gigantic steam vent from the Warner Valley trailhead. Although not a true geyser, this spurting steam located in the middle of a creek, provides a spectacular show!
Cold Boiling Lake
Enjoy a short hike from the Kings Creek Picnic Area to this quaint lake where "cold boiling" bubbles rise like soda water.