Fountain Group
Fountain Group flows at 201 degrees Fahrenheit within Yellowstone's Lower Geyser Basin, comprising a cluster of thermal features positioned 1,208 feet from the Grand Loop Road and heating water 165 degrees above the 36-degree ambient temperature.
The spring complex emerges at 7,254 feet elevation in Gallatin County along the Fountain Paint Pot thermal area, one of the park's most diverse geothermal displays. The landscape features geysers, mud pots, fumaroles, and hot springs concentrated within a small area, creating colorful runoff patterns across geyserite deposits. Lodgepole pine forests border the thermal ground while the Firehole River collects discharge from numerous features. Annual precipitation of 28 inches and 141 inches of snow maintain surface water flows year-round despite the high evaporation rates near thermal features.
The name derives from Fountain Geyser, the dominant feature within this thermal group. Early park explorers documented the area during the 1870s expeditions that led to park establishment. The Fountain Paint Pot area became a major visitor attraction due to its accessibility and diverse thermal features, leading to boardwalk construction in the mid-20th century. The National Park Service maintains permanent protection while managing the site for public education about geothermal processes.
Access from the Grand Loop Road via the Fountain Paint Pot parking area with paved trails and boardwalks suitable for wheelchairs. The area sees high visitation during summer; arrive before 10 AM or after 4 PM for smaller crowds. Stay on boardwalks as thermal crusts can be dangerously thin. Spring and fall offer comfortable temperatures and fewer visitors, though snow can close the road from November through April.
Is Fountain Group worth visiting?
Best for
- Viewing dramatic geothermal features
- Overnight camping trips
- Winter soaking with dramatic temperature contrast
Not ideal for
- Swimming or soaking
Overview Big Springs Group Area is located 22 miles south of West Yellowstone, Montana in beautiful Island Park, Idaho at an approximate elevation of 6,300 feet. Visitors love Island Park for its world-class fishing and outstanding scenery and wildlife viewing opportunities.Recreation Big Springs is the headwaters of Henry's Fork and is one of the largest springs in the country. Henry's Fork is considered one of the best fly-fishing streams in the nation. Fishermen cast for rainbow and brook...