Journal entry · July 20, 1806
Lewis: up Marias River / Clark: down Yellowstone — Patrick Gass: July 20, 1806
Patrick Gass · Great Falls Portage · Thwaites Vol. Gass 1807 First Edition
The place today: Great Falls Portage
very bad. We concluded to stay here all day, as the men,
who had come with the canoes were fatigued; and in the
evening tried our horses in harness and found they would
draw very well.
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The NPS atlas for this night
NPS did not map the camp of Patrick Gass’s party for this night.
The location on this page is this database’s own.
From the NPS Lewis and Clark National Historic Trail Park Atlas, mirrored here on September 21, 2026. This copy is not authoritative; NPS remains the system of record. About the mirror
Terrain360 · the place today
Great Falls Portage in 360°
10 frames across 0.2 mi of the route around this location
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