Hot Springs State Park is a public recreation area in Thermopolis, Wyoming, known for its hot springs, which flow at a constant temperature of 135 °F. The state park offers free bathing at the State Bath House, where temperatures are moderated to a therapeutic 104 °F. The petroglyph site at Legend Rock, some 25 miles away, is also part of the park. The park is managed by the Wyoming Division of State Parks and Historic Sites.