Yellowstone National Park offers limited but unique swimming opportunities. The park features two main designated swimming areas: the Firehole Swim Area and the Boiling River Swimming Hole. These locations provide visitors with the chance to experience the park’s natural beauty while enjoying a refreshing dip. However, swimming in Yellowstone comes with specific rules, seasonal availability, and potential hazards that visitors must be aware of.
Where Can I Swim in Yellowstone National Park?

Firehole Swim Area
The Firehole Swim Area is one of the most popular yellowstone national park places to swim. Here’s what you need to know:
- Location: Two miles south of Madison Junction on Firehole Canyon Drive
- Access: Short hike down wooden stairs from the road
- Amenities:
- Two vault toilets
- Water wings allowed
- Life jackets recommended
- Water Temperature: Similar to an unheated swimming pool
- Seasonal Availability: Usually closed until mid-summer due to high water and strong currents
Boiling River Swimming Hole
The Boiling River Swimming Hole offers a unique thermal swimming experience:
- Location: Near Mammoth Hot Springs, where Boiling River meets Gardner River
- Access: Half-mile walk from two available parking lots
- Water Temperature: Varies, with pockets of warm and boiling water
- Seasonal Availability: Open through fall, winter, and spring before runoff begins
- Current Status: Closed due to COVID-19 public health guidelines (as of last update)
What Are the Rules for Swimming in Yellowstone?

Swimming in Yellowstone National Park comes with specific regulations:
- Swimming is only allowed in designated areas
- No swimming in high-elevation lakes or rivers swollen with snowmelt
- Thermal waters are off-limits except at designated spots
- No lifeguards are present – swim at your own risk
- Adhere to all park rules and regulations
Are There Any Costs or Permits Required for Swimming?
Good news for budget-conscious visitors:
- No specific costs for swimming in designated areas
- No special permits required
- Standard park entrance fees apply
What Are the Potential Hazards of Swimming in Yellowstone?
Be aware of these potential risks when swimming in Yellowstone:
- Strong currents, especially in early summer
- Boiling water pockets in thermal areas
- Risk of contracting illnesses from thermal water organisms
- Sudden changes in water temperature
- Slippery rocks and uneven surfaces
When Is the Best Time to Swim in Yellowstone?
The ideal swimming season in Yellowstone depends on the location:
Swimming Area | Best Time to Visit | Considerations |
---|---|---|
Firehole Swim Area | Mid to late summer | May be closed until mid-summer due to high water |
Boiling River Swimming Hole | Fall, winter, early spring | Currently closed due to COVID-19 guidelines |
What Should I Bring for Swimming in Yellowstone?
Pack these essentials for a safe and enjoyable swim:
- Water shoes or sandals
- Towels
- Sunscreen
- Water bottles
- Life jackets (especially for children)
- Change of clothes
- Waterproof camera (optional)
How Do I Stay Safe While Swimming in Yellowstone?
Follow these safety tips for a worry-free swimming experience:
- Always swim with a buddy
- Check current conditions and warnings before swimming
- Stay within designated swimming areas
- Be cautious of sudden temperature changes in thermal areas
- Don’t submerge your head in thermal waters
- Watch children closely at all times
- Respect wildlife and maintain a safe distance
What Other Water Activities Can I Enjoy in Yellowstone?
While swimming options are limited, Yellowstone offers other water-based activities:
- Fishing (with proper permits)
- Boating on Yellowstone Lake
- Rafting on the Yellowstone River (outside the park boundaries)
- Scenic boat tours
- Waterfall viewing
Remember, yellowstone national park places to swim are limited but offer unique experiences. Always prioritize safety and follow park regulations to ensure an enjoyable and responsible visit to this natural wonder.
References:
1. https://www.roadsidesecrets.com/listing/firehole-swim-area/
2. https://www.parksandpoints.com/12-scenic-swimming-holes-in-national-parks-and-national-forests
3. https://www.nps.gov/yell/planyourvisit/swimming-soaking.htm