History
Pompeys Pillar National Monument
Billings, Montana
William Clark's only surviving mark on the trail, carved in July 1806.
- Price
- Check BLM
- Booking
- No need to book
- Time to allow
- 75 min
A 150-foot sandstone pillar by the Yellowstone River with Clark's signature and date. The BLM runs an interpretive centre that opened in 2006. About 25 miles northeast of Billings off I-94.
Good to know
- Check BLM for hours and fees
- Boardwalk climbs to the signature
- Roughly 50,000 visitors a year
- Open
- Check seasonal hours
- Getting there
- Paved, close to I-94
- Vehicles
- Campervans fine
- Dogs
- Dogs on a lead
Data: Roadtrip. Things change: check opening times, prices and rules before you go.
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