Near Three Forks in Gallatin County, Montana — The American West (Mountains)
Lewis and Clark reach the Headwaters
July 25 & July 27, 1805
You are standing at the headwaters of the great Missouri River. The Jefferson and Madison Rivers converge with the Gallatin joining one mile downstream to become the Missouri River. Here, the famed explorers accomplished a major goal of their expedition: to explore the Missouri River to its source. The camped here for several days, exploring the area while the prepared to continue their journey.
Topics and series. This historical marker is listed in these topic lists: Exploration • Waterways & Vessels. In addition, it is included in the Lewis & Clark Expedition series list.
Location. 45° 55.591′ N, 111° 30.25′ W. Marker is near Three Forks, Montana, in Gallatin County. Marker can be reached from Trident Road. Marker is located inside the Missouri Headwaters State Park, overlooking the point where the Madison and Jefferson rivers converge to form the Missouri river. Touch for map. Marker is in this post office area: Three Forks MT 59752, United States of America. Touch for directions.
Other nearby markers. At least 8 other markers are within 2 miles of this marker, measured as the crow flies. The Naming of a River (within shouting distance of this marker); Jefferson’s Instructions to Lewis and ClarkThomas-Frederick Flour Mill (approx. half a mile away); The Log Cabin (approx. half a mile away); Colter’s Run (approx. half a mile away); Second Gallatin City (approx. half a mile away); Gallatin City Hotel - 1868 (approx. 0.6 miles away); Trident (approx. 1.8 miles away). Touch for a list and map of all markers in Three Forks.
More about this marker. The marker is about one-tenth mile west of a parking lot on Trident Road, along a scenic dirt path. The parking lot is about one-half mile north of the Missouri Headwaters State Park entrance. Access to the state park is from the I-90 exit 278 Frontage Road.
Also see . . . Missouri Headwaters State Park.
Lewis and Clark visited the site on July 28, 1805. Meriwether Lewis in his journal entry wrote: "Both Capt. C. and myself corresponded in opinon with respect to the impropriety of calling either of these streams the Missouri and accordingly agreed to name them after the President of the United States and the Secretaries of the Treasury and State." (Submitted on May 9, 2014, by Cosmos Mariner of Cape Canaveral, Florida.)
Credits. This page was last revised on June 16, 2016. It was originally submitted on May 8, 2014, by Cosmos Mariner of Cape Canaveral, Florida. This page has been viewed 594 times since then and 34 times this year. Photos: 1, 2, 3, 4. submitted on May 8, 2014, by Cosmos Mariner of Cape Canaveral, Florida. 5. submitted on May 9, 2014, by Cosmos Mariner of Cape Canaveral, Florida. 6. submitted on May 8, 2014, by Cosmos Mariner of Cape Canaveral, Florida. 7, 8. submitted on May 9, 2014, by Cosmos Mariner of Cape Canaveral, Florida. • Bill Pfingsten was the editor who published this page.