Fountain Paint Pot

Also known as: Silex Spring
Gallatin County County, Wyoming · Near West Yellowstone
44.5500°N, 110.8050°W · 7,307 ft
136°F 7,307 ft Open Roadside National Park Service Camping nearby (22.5 mi)
Fountain Paint Pot
Image via Wikidata

Fountain Paint Pot flows at 136 degrees Fahrenheit within Yellowstone's Lower Geyser Basin, emerging just 135 feet from the Grand Loop Road and famous for its colorful mud derived from oxidized iron in varying states that produce reds, yellows, and browns.

The feature sits at 7,307 feet elevation in Gallatin County at the center of one of Yellowstone's most accessible and diverse thermal areas. The Paint Pot's appearance changes seasonally with water levels, becoming thicker mud in dry periods and more fluid in wet seasons. Surrounding features include Fountain Geyser and numerous hot springs that create a concentrated thermal display. The landscape transitions from lodgepole pine forest to barren thermal ground altered by acidic steam and water. Annual precipitation of 28 inches and 141 inches of snow influence the mud's consistency throughout the year.

History of Fountain Paint Pot

The name describes both the colorful appearance and paint-like consistency of the thermal mud. Early explorers including the Washburn Expedition of 1870 documented the feature, which became one of Yellowstone's iconic attractions due to its vivid colors and accessible location. The mud pot's activity varies with underground water levels and heat flow, occasionally transitioning between spring and fumarole behavior. The National Park Service maintains boardwalks around the feature, installed progressively from the 1930s onward.

Visit via the Fountain Paint Pot Trail, a half-mile boardwalk loop accessible from the Grand Loop Road between Madison and Old Faithful. The paved path is wheelchair accessible and suitable for all visitors. Morning light enhances the colorful mud's appearance for photography. Peak summer crowds can make the boardwalk congested; shoulder seasons offer pleasant conditions with fewer visitors. Winter access requires snowmobile or snowcoach permits from the west entrance.

Is Fountain Paint Pot worth visiting?

Best for

  • Hot spring soaking
  • Easy day trips
  • Overnight camping trips
  • Winter soaking with dramatic temperature contrast
Fountain Paint Pot offers an accessible hot spring experience — great for a day trip.
Monthly Climate
15°
Jan
17°
Feb
26°
Mar
31°
Apr
39°
May
51°
Jun
61°
Jul
60°
Aug
51°
Sep
35°
Oct
22°
Nov
13°
Dec
Annual Precip: 28.2 in Annual Snow: 140.9 in
Best Time to Visit
December Air 13°F · Water 136°F · +123° contrast
January Air 15°F · Water 136°F · +121° contrast
February Air 17°F · Water 136°F · +119° contrast
December offers 48°F more contrast than July
Nearby Camping
Big Springs Grp. Area Island Park 22.5 mi away

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...

Reservable Yes
Reserve on Recreation.gov →
What to Bring
Swimsuit & towel
Water bottle Stay hydrated, especially in hot water
Warm layers Cold air before and after soaking
Camping gear Nearby camping at Big Springs Grp. Area Island Park
Trash bag Pack out what you pack in
Water shoes Hot ground near source
References
USGS Quad: MADISON JUNCTION 15 · PP 492: 21.0 · Circ 790: 215.0 · NOAA: 86.0 · AMS Map: ASHTON
Frequently Asked Questions
What is the water temperature at Fountain Paint Pot?
Fountain Paint Pot has a water temperature of 136°F (58°C). This is considered a hot spring, well above body temperature.
Where is Fountain Paint Pot located?
Fountain Paint Pot is located in Gallatin County, Wyoming at 7,307 feet elevation, near West Yellowstone. Coordinates: 44.5500°N, 110.8050°W.
How do I get to Fountain Paint Pot?
Fountain Paint Pot has Roadside road access, with the nearest road being Grand Loop Road (135 ft from the road).
Is Fountain Paint Pot free to visit?
Fountain Paint Pot has Open access. It is managed by National Park Service.
Can I camp near Fountain Paint Pot?
Yes, Big Springs Grp. Area Island Park is located nearby (22.5 miles away).
Is it safe to soak at Fountain Paint Pot?
At 136°F, Fountain Paint Pot is hot enough to require caution. Enter slowly, limit soaking sessions to 15–20 minutes, and stay hydrated. Always tell someone your plans before visiting remote hot springs.
Is Fountain Paint Pot crowded?
Fountain Paint Pot is accessible from a paved road, making it easy to reach. Weekends and holidays may be busier — consider visiting on a weekday for a quieter experience.
What should I bring to Fountain Paint Pot?
Essentials for Fountain Paint Pot: swimsuit, towel, water bottle, warm layers for before and after soaking, camping gear, a trash bag to pack out what you pack in. The water is over 110°F — test the temperature before entering and watch for scalding near the source.
Temperature
136°F
Warm Hot Boiling
Water Temp 136°F (58°C)
Avg Air Temp 35°F
Above Ambient +101°F
Perfect soaking weather March
Access
Open
Road Access Roadside
Nearest Road Grand Loop Road
Distance to Road 135 ft
Land
Ownership Federal
Agency National Park Service
Designation National Park
Unit Yellowstone National Park
Manager National Park Service
Protection 1 - Permanent protection, natural state