(California)
Grover Hot Springs State Park is a state park of California, United States, containing natural hot springs on the eastern side of the Sierra Nevada. Park amenities include a swimming pool complex fed by the hot springs, as well as a campground, picnic area, and hiking trails. The 553-acre (224 ha) park was established in 1959. (Ref: https://en.wikipedia.org/wiki/Grover_Hot_Springs_State_Park)