description Boiling River (Yellowstone) Overview
The Boiling River is a popular geothermal feature located in Yellowstone National Park, Wyoming. It is formed by the convergence of a large, hot thermal spring flowing into the cold, swift waters of the Gardner River. The resulting mixture of hot and cold water creates a series of natural pools where the temperature is comfortably safe for bathing and swimming. Accessible to the public via a designated trail, it is a well-known destination for park visitors seeking a natural soaking experience.
help Boiling River (Yellowstone) FAQ
What is the Boiling River in Yellowstone?
The Boiling River is formed where a hot thermal spring enters the cold Gardner River near Mammoth Hot Springs. The mixing zone creates water temperatures that can be warm enough for limited swimming when park conditions allow.
Can visitors swim in the Boiling River?
The National Park Service recognizes Boiling River as a designated swimming area when it is open, but swimming is limited to designated hours and conditions. Bathing in water that is entirely of thermal origin is prohibited elsewhere in Yellowstone. [National Park Service](https://www.nps.gov/yell/planyourvisit/swimming.htm)
Where is Boiling River located?
It is in northern Yellowstone National Park along the Gardner River, near Mammoth Hot Springs and the North Entrance area. It is not a separate pool isolated from the river, because the experience depends on the spring and river mixing together.
Why is the Boiling River dangerous?
The hot spring can cause severe burns, while the Gardner River can be cold, deep, and fast-moving. Yellowstone also warns visitors to stay on designated paths because thermal ground can be thin and unstable.
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