Missouri River Breaks Canoe Trip - Roeder-Johnson
The Monument extends from historic Ft. Benton in the west along 149 miles of river to the east -- nearly all of which is inaccessible by car, and has hardly changed since Lewis & Clark passed through here over 200 years ago.

The Monument extends from historic Ft. Benton in the west along 149 miles of river to the east -- nearly all of which is inaccessible by car, and has hardly changed since Lewis & Clark passed through here over 200 years ago.