Searching_Ut wrote:
It's been a lot of years now since they stopped it, but it used to be very common to swim in the river by the thermal features or where the runoff went into the river with there often being several dozen folks in the water at once. As I recall the practice was stopped because of bacteria or some other bug rather than concern about burns.
I believe there is still swimming in the warm waters in Yellowstone. It was so when we last visited a couple years ago.
http://www.yellowstonepark.com/firehole-falls-canyon-drive/
