Boiling River
- Soakable
- No
- Elevation
- 5,678 ft
- Permit
- Not required
- Dogs
- Not allowed
Boiling River is not a soaking spring: NPS swimming page (updated 2026-06-11): no swimming at Boiling River after 2022 floods; soaking in park hot springs is prohibited. It is a primitive hot spring in Park County, Wyoming, managed by the National Park Service (Yellowstone National Park).
Closures and warnings
NPS: swimming is not possible at Boiling River because of impacts to the river from the 2022 floods. Park-wide, soaking in hot springs is prohibited. As of June 11, 2026.
NPS: all thermal waters can contain organisms that may cause illness. Avoid swallowing water or getting water in the nose. As of June 11, 2026.
Soaking
| Development | Primitive |
|---|---|
| Soakable | No NPS swimming page (updated 2026-06-11): no swimming at Boiling River after 2022 floods; soaking in park hot springs is prohibited |
| Soaking allowed | No |
|---|---|
| Water type | Spring |
Access
| Road note | Mammoth Hot Springs terrace runoff reaches the Gardner River at Boiling River between Mammoth and the North Entrance (NPS hydrothermal overview). |
|---|---|
| Fee | Yellowstone entrance fee required to enter the park |
| Reservation or permit | Not required |
| Elevation | 5,678 ft |
| Seasonal closure | No swimming at Boiling River; closed after 2022 flood impacts with no reopening date on the NPS swimming page |
| Managed by | National Park Service (Yellowstone National Park) |
Rules
| Dogs | Not allowed |
|---|
Common questions
Common questions
Is Boiling River open?
NPS: swimming is not possible at Boiling River because of impacts to the river from the 2022 floods. Park-wide, soaking in hot springs is prohibited. As of June 11, 2026. NPS: all thermal waters can contain organisms that may cause illness. Avoid swallowing water or getting water in the nose. As of June 11, 2026. Seasonal closure: No swimming at Boiling River; closed after 2022 flood impacts with no reopening date on the NPS swimming page.
How hot is Boiling River?
It is not a soaking spring: NPS swimming page (updated 2026-06-11): no swimming at Boiling River after 2022 floods; soaking in park hot springs is prohibited.
Can you soak at Boiling River?
No, swimming is not allowed at Boiling River. NPS: all thermal waters can contain organisms that may cause illness. Avoid swallowing water or getting water in the nose. As of June 11, 2026.
How do you get to Boiling River?
Mammoth Hot Springs terrace runoff reaches the Gardner River at Boiling River between Mammoth and the North Entrance (NPS hydrothermal overview).
Do you need a reservation for Boiling River?
No reservation or permit is required.
Is Boiling River free?
The fee is Yellowstone entrance fee required to enter the park.
What are the rules at Boiling River?
Dogs are not allowed.
Nearby
Camping nearby
Public land
Boiling River is inside Yellowstone National Park .
Just outside: Yellowstone National Park (0.5 mi) .
Sources
5
- https://www.nps.gov/yell/planyourvisit/swimming.htm (accessed September 28, 2026; backs manager, waterbodyName, access.seasonalClosure / hazardNote, hotSpring.soakable / soakableReason / swimmerNotes.swimmingAllowed, healthNote, hotSpring.development)
- https://www.nps.gov/yell/planyourvisit/fees.htm (accessed September 28, 2026; backs access.fee)
- https://www.nps.gov/yell/learn/nature/hydrothermal-features.htm (accessed September 30, 2026; backs access.roadNote)
- https://www.nps.gov/yell/planyourvisit/pets.htm (accessed September 30, 2026; backs rules.dogs)
- https://epqs.nationalmap.gov/v1/json?x=-110.68929&y=44.985032&units=Feet (accessed September 30, 2026; backs elevationFt)