US 93 in Missoula connects to Mont 200. It roughly follows the Blackfoot River, east, to Lincoln Mt. A late start, after they parted with the Nez Perce guides, got them 8 miles up the Blackfoot River, from its confluence with Clarks Fork, to camp on the north side of the Blackfoot River.

 

Clarks Fork River, above and top right. Bitteroot/Clarks Fork River confluence, right. July 3, Lewis camped in the vicinity on Grant Creek, after crossing to the north side of Clarks Fork. Lewis divided meat from the previous day's hunt with the Nez Perce.
Lewis Return Trail
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