Mammoth Hot Springs and Fort Yellowstone
Stair-stepped white terraces that change from year to year, beside the old US Army fort, with elk on the lawns.
- Open
- Open all year
- Price
- Park entrance fee
- Time Needed
- 2 hours
- Address
- Mammoth, Yellowstone National Park, WY 82190Google MapsApple Maps
- Getting There
- Five miles south of Gardiner, at the North Entrance.
Why Go
The boardwalks climb through travertine terraces, shaped by water and bacteria. The Army ran the park from 1886 to 1918, and its stone buildings at Fort Yellowstone are now park offices and a visitor center.
Just north, at Gardiner, is the Roosevelt Arch, where Theodore Roosevelt laid the cornerstone in 1903.
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