West Yellowstoneview website
Park entrance road
between Gardiner River and Mammoth Hot Springs
Yellowstone, WY 82190
Boiling River Description
This is no average swimming hole. At Boiling River you can stand with one leg in the icy Gardner River and the other in a hot spring called Boiling River. The result is nature's own hot tub, with small pools carved into delicate rock formations and a view of the magnificent Gardner River canyon walls. Watch for wildlife in the water and the air. The entrance is easy to miss; look for the sign marking the 45th Parallel and the parking area on the east (river) side of the road.
Toddlers & Pre-K: There are little inlets where a family can sit without anyone wandering too far, like out into the cold river current or in areas where the hot spring hasn't yet mixed with cold river water.
Pre-Teens & Teens: They'll enjoy a good soak and exploring the general area with parents nearby.
- Wear your swimsuits. There are portable toilets on site, but no dressing rooms, so wear your suits there.
- Wear water shoes/sandals. The riverbed can rocky; wearing water-ready sandals or aqua socks is your best bet..
- Prepare for a short hike. A trail takes you about a half mile to the swimming area, so bring your towel.
- Stay on trail. The vegetation and rock formations in the area are delicate and in danger of overuse -- stick to marked trails and designated swimming areas.
Just the Facts
Hours: Swimming is permitted during daylight hours. Closed in spring due to high water levels.
Recommended Time: 1 to 2 hours