Mammoth Hot Springs has no set hours and access is covered by Yellowstone's seven-day admission fee ($35 per vehicle). Free parking is provided on-site. For more information about Mammoth Hot ...

Mammoth Hot Springs in northern Yellowstone National Park sits on the border of Wyoming and Montana. It is a place you have to see to believe. Boardwalk trails give visitors the opportunity to ...

See the old Fort Yellowstone at Mammoth Hot Springs. Yellowstone is a UNESCO World Heritage Site, attractting visitors from around the world. On my first visit to Yellowstone National Park ...