Visit Parks

steam rising in to the air
Steam rising along Firehole Lake in Yellowstone National Park, Wyoming.

NPS photo by Neal Herbert.

Want to explore this topic in person? The parks below offer a first-hand opportunity to discover more stories, people, and places.

Hot Spring & Geothermal Features in Parks

*16 Parks Listed in the Geothermal Steam Act, 30 U.S.C. § 1026(a)
** Proposed (in 2016) addition to the List of National Park Units Containing Significant Thermal Features, in accordance with the Geothermal Steam Act (30 U.S.C. §§ 1001-1028).

Ready to go?

Get your pass! The National Parks and Federal Recreational Lands Pass Series includes several passes that cover entrance fees at national parks.

Last updated: December 30, 2022