Quick FactsOverview
What it is
Boiling River is a well known Yellowstone soaking spot where very hot water from a small thermal stream mixes with the colder Gardner River near the North Entrance area. Before the 2022 flood, visitors could walk a short riverside trail and sit in the mixing zone where the temperature felt comfortable. The setting is fully natural, with a rocky river edge and channels that shift with runoff and sediment.
Current status
The National Park Service reports that swimming is not possible at Boiling River because of the impacts from the 2022 floods, and the site is not open to the public. Treat it as a closed area even if you can see steam from the road, and do not enter signed closures.
What to expect
If you are planning a trip, think of Boiling River as a viewpoint and geology story rather than an active soak. You can still enjoy nearby Mammoth Hot Springs terraces, short walks, and drives that are open seasonally. For soaking, look to developed hot springs outside the park where bathing is permitted and managed.
Because conditions can change, always use current Yellowstone guidance rather than older trip reports.
Location & Access
Where it is
Boiling River is in Yellowstone National Park in the North Entrance area, near Mammoth Hot Springs and the Gardner River corridor. The historic access was from a small pullout along North Entrance Road, followed by a short footpath along the river.
Getting there
Approach the area from Mammoth Hot Springs or the North Entrance at Gardiner, Montana, depending on which roads are open for the season. Yellowstone road access changes through the year and can be affected by storms, construction, and flood repair. Check the park current conditions page before you drive, and avoid relying on older directions.
Parking and the walk
When the site was open, parking was limited and the walk followed an uneven riverbank with rocks and sand. Even if you visit only to look from a distance, use designated pullouts and do not park on narrow shoulders. The river corridor is busy with wildlife and traffic, so give yourself time and keep children close near the roadway.
Closure awareness
The National Park Service lists Boiling River as not open to the public. Respect all signs and barriers and do not attempt to reach the river through informal routes. Closures protect both visitors and fragile thermal features.
Nearby alternatives
For a similar scenic stop, consider visiting Mammoth Hot Springs terraces or other short walks that remain open, and plan any soaking for locations outside Yellowstone where bathing is allowed.
Suitability & Accessibility
Best for
Right now, Boiling River is best treated as a planning reference and a lesson in how dynamic Yellowstone rivers can be. Since the site is closed to public use, it is not a place to build into an itinerary for soaking. Instead, it can be a point of interest to read about while you explore other open areas in the northern part of the park.
When it was accessible
Before the flood impacts, the draw was a natural mixing zone where you could sit in the river edge and adjust comfort by moving between warmer and cooler water. Footing was uneven and the experience required comfort with cold current nearby and a rocky bottom.
Families
Even during open years, this was a spot that required strict supervision because of swift water and changing depth. With the current closure, families should plan on safer alternatives such as boardwalk viewpoints, visitor center stops, and short hikes on maintained trails.
Accessibility
The approach involved natural terrain with rocks and sand and was not wheelchair accessible. If you need step free experiences, Mammoth Hot Springs has boardwalk sections that are more accessible and still provide a strong geothermal experience without entering closed areas.
Trip planning
If soaking is a priority, choose developed facilities outside the park where entry, water management, and safety support are clearer. Inside Yellowstone, follow the rules that prohibit soaking in thermal features and only use areas that the park designates for swimming.
Safety & Etiquette
Respect closures
The most important safety rule is to stay out of closed areas. Yellowstone lists Boiling River as not open to the public due to flood impacts. Do not cross barriers, ignore signs, or attempt to reach the river by creating new paths. This protects you from unstable banks and protects the resource from additional damage.
River hazards
Even when water feels warm near the edge, the Gardner River is a powerful, cold river. Currents can pull suddenly, depth can change within a step, and underwater rocks can trap feet. Never enter swift water, never dive, and keep children within arm reach near any riverbank.
Thermal hazards
Thermal water can be hot enough to burn. In Yellowstone, hot water may be hidden under rocks, thin crust, or shallow channels. Stay on maintained paths in thermal areas and do not wade into streams that look warm. If you want a close geothermal view, use established boardwalks such as those at Mammoth Hot Springs.
Health and hygiene
Do not soak in rivers or pools when you are ill or have an open wound. Avoid swallowing natural water. Do not use soaps or shampoos in any park waterway.
Courtesy and wildlife
Keep noise low in the river corridor and give others space at pullouts and viewpoints. Wildlife, especially bison and elk, can be close to roads. Stay back, keep food secured, and never approach animals for photos. If traffic is heavy, do not stop in travel lanes and do not create unsafe roadside parking.
When to change plans
If roads are closed, if storms are moving in, or if rangers advise avoiding the area, adjust your route. Yellowstone conditions can change quickly, and a flexible plan is safer than pushing for a specific stop.
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