Fountain Paint Pot

Fountain Paint Pot Fountain Paint Pot Trail - On the Fountain Paint Pot trail, you will find all four types of thermal features. Geysers, mud pots, hot springs, and fumaroles are all along a short boardwalk.

Silex Spring - Silex spring's water supply is so great that it usually overflows throughout the year. The overflow provides a habitat for mats and various types of bacterial.

Fountain Paint Pot - What you see here depends on what time of the year you visit. In early summer the mud is thin and watery, by late summer, the mud has become quite thick. Bubbling caused by steam changes as the mud thickens.

Leather Pool - The Hebgen Lake earthquake of 1959 changed this warm pool once lined with leather like brown algae. With the earthquake, water temperatures rose to boiling, killing the brown algae.

Red Spouter - This spring originated with the Hebgen Lake earthquake, and changes throughout the seasons. During the summer months it is a fumarole, but from late fall to early summer it spouts red water and mud.

Firehole Lake Drive

Great Fountain Geyser - Eruptions average 100 ft, but some visitors are luck enough to see it erupt with rare 200 ft eruptions. Eruptions typically occur every 8-10 hours. During this time the crater fills, and begins to overflow. If the water begins to boil violently, an eruption could occur. For the most part Great Fountain Geyser is dependable.

White Dome Geyser - This massive cone structure is deceiving to the eye. Eruptions typically only reach a height of 30ft. With eruptions occurring every 15-30 minutes, one is sure to see the symmetrical column of water explode.

Pink Cone Geyser - Time between eruptions is usually every 6-15 hours. Duration of the eruption can vary from 30 minutes to 3 hours. The average height is 30 ft.

Firehole Lake - Firehole lake is the largest hot spring in the vicinity. The average temperature of this lake is a steaming 158° F.

Steady Geyser - True to its name, steady geyser has erupted since 1871. This geyser has two alternating vents from which it erupts. Currently only the lower vent is active, and spurts a height of 5ft.

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