Boundary Cone is a geologic promontory located in the western foothills of the Black Mountains in

Mohave County, Arizona Mohave County occupies the northwestern corner of the U.S. state of Arizona, one of 15 List of counties in Arizona, counties in the state. As of the 2020 United States census, 2020 census, its population was 213,267. The county seat is Kingman ...

. The peak is to the east of the

Mohave Valley The Mohave Valley is a valley located mostly on the east shore of the south-flowing Colorado River in northwest Arizona. The valley extends into California's San Bernardino County; the northern side of the valley extends into extreme southeast ...

, northeast of

Needles, California Needles is a city in San Bernardino County, in the Mojave Desert region of Southern California. Situated on the western banks of the Colorado River, Needles is located near the California border with Arizona and Nevada. The city is accessible v ...

, and southeast of Bullhead City. The peak is about southwest of the mountain community of Oatman and east of the

Colorado River The Colorado River () is one of the principal rivers (along with the Rio Grande) in the Southwestern United States and in northern Mexico. The river, the List of longest rivers of the United States (by main stem), 5th longest in the United St ...

History

Several

Indigenous people There is no generally accepted definition of Indigenous peoples, although in the 21st century the focus has been on self-identification, cultural difference from other groups in a state, a special relationship with their traditional territ ...

s attach religious and cultural significance to Boundary Cone as well as much of the surrounding landscape. In March 2006, the

Bureau of Land Management The Bureau of Land Management (BLM) is an agency within the United States Department of the Interior responsible for administering federal lands, U.S. federal lands. Headquartered in Washington, D.C., the BLM oversees more than of land, or one ...

determined and the Arizona State Historic Preservation Office concurred that Boundary Cone is eligible for inclusion on the

National Register of Historic Places The National Register of Historic Places (NRHP) is the Federal government of the United States, United States federal government's official United States National Register of Historic Places listings, list of sites, buildings, structures, Hist ...

as a property of traditional, religious, and cultural importance to several Indigenous tribes.Federal Register Notice regarding Boundary Cone
, October 8, 2008. This article incorporates

public domain The public domain (PD) consists of all the creative work to which no Exclusive exclusive intellectual property rights apply. Those rights may have expired, been forfeited, expressly Waiver, waived, or may be inapplicable. Because no one holds ...

text from this official

United States government The Federal Government of the United States of America (U.S. federal government or U.S. government) is the Federation#Federal governments, national government of the United States. The U.S. federal government is composed of three distinct ...

document. Boundary Cone was a prominent

landmark A landmark is a recognizable natural or artificial feature used for navigation, a feature that stands out from its near environment and is often visible from long distances. In modern-day use, the term can also be applied to smaller structures ...

for early travelers in this region. File:Fort Mojave Res.JPG,

Fort Mojave Indian Reservation The Fort Mohave Indian Reservation is an Indian reservation along the Colorado River, currently encompassing in Arizona, in California, and in the southernmost point of Nevada. Located around the tri-point of the three states, the reservation i ...

, with Boundary Cone in distance File:Mohave Valley 1.jpg,

, with Boundary Cone at right

References

{{Commons category-inline, Boundary Cone Volcanic plugs of Arizona Mountains of Arizona Religious places of the Indigenous peoples of North America Landforms of Mohave County, Arizona Mountains of Mohave County, Arizona Volcanoes of Arizona Sacred mountains of the United States