Chief Joseph Pass ( elev. ) is a

mountain pass A mountain pass is a navigable route through a mountain range or over a ridge. Since many of the world's mountain ranges have presented formidable barriers to travel, passes have played a key role in trade, war, and both Human migration, human a ...

on the

continental divide A continental divide is a drainage divide on a continent such that the drainage basin on one side of the divide feeds into one ocean or sea, and the basin on the other side either feeds into a different ocean or sea, or else is endorheic, not ...

of the

Rocky Mountains The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in straight-line distance from the northernmost part of western Canada, to New Mexico in ...

in the northwestern United States joining

Lemhi County, Idaho Lemhi County is a county located in the U.S. state of Idaho. As of the 2020 census, the population was 7,974. The largest city and county seat is Salmon. The county was established in 1869, named after Fort Lemhi (or Limhi), a remote Mormon mis ...

, and

Beaverhead County, Montana Beaverhead County is the largest county by area in the U.S. state of Montana. As of the 2020 census, the population was 9,371. Its county seat is Dillon. The county was founded in 1865. Much of the perimeter of the county is the Continental Di ...

. The pass is in the

Bitterroot Mountains The Northern and Central Bitterroot Range, collectively the Bitterroot Mountains (Salish: čkʷlkʷqin), is the largest portion of the Bitterroot Range, part of the Rocky Mountains and Idaho Batholith, located in the panhandle of Idaho and west ...

and is traversed by

Montana Highway 43 The state highways in Montana are the state highways owned and maintained by the Montana Department of Transportation (MDT) in the US state of Montana. Montana's state highways are classified as either primary or secondary. Several of Montana's ...

; it is named after

Chief Joseph ''Hin-mah-too-yah-lat-kekt'' (or ''Hinmatóowyalahtq̓it'' in Americanist orthography), popularly known as Chief Joseph, Young Joseph, or Joseph the Younger (March 3, 1840 – September 21, 1904), was a leader of the Wal-lam-wat-kain (Wallowa ...

of the

Wallowa Wallowa may refer to: Places *Wallowa, Oregon *Wallowa County, Oregon *Wallowa Lake *Wallowa Lake State Park *Wallowa Mountains *Wallowa River Other *''Acacia calamifolia'', a shrub or tree *''Acacia euthycarpa'', a shrub or tree * ''The Wallo ...

band of the

Nez Perce The Nez Percé (; autonym in Nez Perce language: , meaning "we, the people") are an Indigenous people of the Plateau who are presumed to have lived on the Columbia River Plateau in the Pacific Northwest region for at least 11,500 years.Ames, K ...

tribe The term tribe is used in many different contexts to refer to a category of human social group. The predominant worldwide usage of the term in English language, English is in the discipline of anthropology. This definition is contested, in p ...

, who traversed the pass in the summer of 1877 during the

Nez Perce War The Nez Perce War was an armed conflict in 1877 in the Western United States that pitted several bands of the Nez Perce tribe of Indigenous peoples of the Americas, Native Americans and their allies, a small band of the ''Palus people, Palo ...

, prior to the

Battle of the Big Hole The Battle of the Big Hole was fought in Montana Territory, August 9–10, 1877, between the United States Army and the Nez Perce tribe of Native Americans during the Nez Perce War. Both sides suffered heavy casualties. The Nez Perce withd ...

to the east. West of the pass, the highway connects with US-93 at

Lost Trail Pass Lost Trail Pass is a mountain pass in the Rocky Mountains of the northwestern United States, on the border of Idaho and Montana in the Bitterroot Mountains. The pass is at an elevation of above sea level and is traversed by U.S. Highway 93. The ...

, about a half-mile (0.8 km) west of the divide. Between the passes, the Montana highway is actually in Idaho, for about . This is the northernmost pass on the continental divide between Idaho and Montana. Less than a mile north, the divide heads eastward into Montana, following the Ravalli– Beaverhead county line towards

Butte __NOTOC__ In geomorphology, a butte () is an isolated hill with steep, often vertical sides and a small, relatively flat top; buttes are smaller landforms than mesas, plateaus, and tablelands. The word ''butte'' comes from a French word mea ...

, then north to Glacier National Park. East of Chief Joseph Pass, Highway 43 descends to the town of

Wisdom Wisdom, sapience, or sagacity is the ability to contemplate and act using knowledge, experience, understanding, common sense and insight. Wisdom is associated with attributes such as unbiased judgment, compassion, experiential self-knowledge, ...

, east, passing the historic

Big Hole National Battlefield Big Hole National Battlefield preserves a battlefield in the western United States, located in Beaverhead County, Montana. In 1877, the Nez Perce fought a delaying action against the U.S. Army's 7th Infantry Regiment here on August 9 and 10, durin ...

. In early September 1805, the westbound

Lewis and Clark Expedition The Lewis and Clark Expedition, also known as the Corps of Discovery Expedition, was the United States expedition to cross the newly acquired western portion of the country after the Louisiana Purchase. The Corps of Discovery was a select gro ...

crossed either this pass or the nearby Lost Trail Pass (from the Idaho side) as they descended northward into the

Bitterroot Valley The Bitterroot Valley is located in southwestern Montana, along the Bitterroot River between the Bitterroot Range and Sapphire Mountains, in the Northwestern United States. Geography The valley extends approximately from Lost Trail Pass in Id ...

of what is now Ravalli County, and later crossed Lolo Pass back into Idaho. With lifts and runs in two states, the

Lost Trail Powder Mountain Lost Trail Powder Mountain is an alpine ski area in the western United States, on the Montana-Idaho border in the northern Rocky Mountains. In the Bitterroot Range, it is at the junction of US Highway 93 and Montana State Highway 43 at Lost Tra ...

ski area A ski area is the terrain and supporting infrastructure where skiing and other snow sports take place. Such sports include alpine and cross-country skiing, snow boarding, tubing, sledding, etc. Ski areas may stand alone or be part of a ski resort. ...

is about west, at Lost Trail Pass on US-93.

Notes

Mountain passes of Idaho Mountain passes of Montana Landforms of Lemhi County, Idaho Landforms of Beaverhead County, Montana Transportation in Lemhi County, Idaho Transportation in Beaverhead County, Montana {{BeaverheadCountyMT-geo-stub

See also

Notes