• 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

Winter Ranger-Led Programs

Our ranger-led programs have ended for winter 2012-2013. We keep the schedules online so that you can have an idea of what is offered during the winter season.

Ranger-Led Programs Winter 2012-2013 (900 KB pdf)

Yellowstone Concessioner-Led Programs

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.