Raynolds Pass, el.6824 feet (2,080 m) is a mountain pass

Mountain pass

A mountain pass is a route through a mountain range or over a ridge. If following the lowest possible route, a pass is locally the highest point on that route...

 on the Montana

Montana

Montana is a state in the Western United States. The western third of Montana contains numerous mountain ranges. Smaller, "island ranges" are found in the central third of the state, for a total of 77 named ranges of the Rocky Mountains. This geographical fact is reflected in the state's name,...

-Idaho

Idaho

Idaho is a state in the Rocky Mountain area of the United States. The state's largest city and capital is Boise. Residents are called "Idahoans". Idaho was admitted to the Union on July 3, 1890, as the 43rd state....

 border in the Rocky Mountains

Rocky Mountains

The Rocky Mountains are a major mountain range in western North America. The Rocky Mountains stretch more than from the northernmost part of British Columbia, in western Canada, to New Mexico, in the southwestern United States...

, United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. The pass is on the Continental Divide

Continental Divide

The Continental Divide of the Americas, or merely the Continental Gulf of Division or Great Divide, is the name given to the principal, and largely mountainous, hydrological divide of the Americas that separates the watersheds that drain into the Pacific Ocean from those river systems that drain...

, and is traversed by a state highway (Idaho State Highway 87 and Montana Highway 87

Montana Highway 87

Highway 87 in the U.S. State of Montana is a route running northerly from the Idaho state line at Raynolds Pass to an intersection with U.S. Route 287 about west of Quake Lake, a distance of approximately . The route traverses a high and arid mountain valley, flanked by the Horn Mountains; the...

). The pass is named for Captain William F. Raynolds

William F. Raynolds

William Franklin Raynolds was a U.S. Army Colonel, explorer, engineer, Mexican War and Civil War officer who is best known for leading the 1859-1860 Raynolds Expedition while serving as a member of the U.S. Army Corps of Topographical Engineers...

, an early explorer of the Yellowstone region.
The pass is very gentle, with only a slight grade and no major hairpin curves to the highways connections with US287 in Montana and US20 in Idaho.