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Journal entry · July 19, 1805
Missouri River above Great Falls, Gates of the Mountains — Patrick Gass: July 19, 1805
Patrick Gass · Missouri River above Great Falls, Gates of the Mountains · Thwaites Vol. Gass 1807 First Edition
The place today: Missouri River above Great Falls, Gates of the Mountains
of the mountains, which had a good deal of pine, spruce and
cedar on them, and where there were not so many rocks;
but no timber in the bottoms except some small willows.
About 1 o’clock we had thunder, lightning and rain, which
continued an hour or two, and then the weather became clear.
This afternoon we passed parts of the mountains, that were
very high, and mostly of solid rock of a light colour. The
Mountains are so close on the river on both sides that we
scarcely could find room to encamp. We went 20 miles and
encamped on the south side. After night some rain fell.
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The NPS atlas for this night
right shore Missouri River, 3 mi downstream from Upper Holter Dam, MT
NPS campsite reconstruction (Bergantino)
About 19.9 miles of travel mapped this day (NPS’s reconstruction of the course)
NPS sites within 5 miles of this camp
- Gates of the Mountains (opens in a new tab) NPS High Potential Historic Site · 3.7 mi
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
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