Expedition place · July 25, 1806

Pompeys Pillar, Yellowstone River, Montana

1 journal entry · Recorded by William Clark

NPS High Potential Historic Site: Pompeys Pillar (opens in a new tab) · National Historic Landmark

Terrain360 · the place today

Pompeys Pillar, Yellowstone River, Montana in 360°

Clark's Signature · 26 panoramas on this trail

10 frames across 0.1 mi of the route around this location

The journal entries written here

July 1806

William Clark: July 25, 1806 William Clark “I proceeded on after the rain lay a little and at 4 P.M. arived at a remarkable rock situated in an extensive…”

Nights the Corps camped here

NPS campsite reconstruction (Bergantino; Harlan where he is the only source). Source: National Park Service, Lewis and Clark National Historic Trail Park Atlas.

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