• Visitors stand on the boardwalk of Grand Prismatic, the park's largest hot spring which is ringed with orange, brown and yellow runoff channels.

    Yellowstone

    National Park ID,MT,WY

Whirligig Geysers

Little Whirligig Geyser shoots water and steam into the air at an angle.
 

Little Whirligig got its name because of its close proximity to Whirligig Geyser. Whirligig was so named because its water swirls in its crater during eruptions. The orange-yellow iron oxide deposits around Little Whirligig make it one of the most colorful features in Porcelain Basin. It has been dormant for several years.

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Did You Know?

Fire in Yellowstone Pineland in 1988

The 1988 fires affected 793,880 acres or 36 percent of the park. Five fires burned into the park that year from adjacent public lands. The largest, the North Fork Fire, started from a discarded cigarette. It burned more than 410,000 acres.