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Journal entry · August 2, 1805

Jefferson River ascending toward divide — Patrick Gass: August 2, 1805

Patrick Gass · Jefferson River ascending toward divide · Thwaites Vol. Gass 1807 First Edition

The place today: Jefferson River ascending toward divide

rise, proceeded 4 or 5 miles and crossed the river. In the
middle of the day it was very warm in the valley, and at night
very cold; so much so that two blankets were scarce a sufh-
cient covering. On each side of the valley there is a high
range of mountains, which runs nearly parallel, with some
spots of snow on their tops. We killed a deer; went about
24 miles and encamped on the south side.

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The NPS atlas for this night

right side of Jefferson River near Waterloo, MT

NPS campsite reconstruction (Bergantino)

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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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