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

Mohave County, Arizona Mohave County is in the northwestern corner of the U.S. state of Arizona. As of the 2020 census, its population was 213,267. The county seat is Kingman, and the largest city is Lake Havasu City. It is the fifth largest county in the United St ...

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

, and southeast of

Bullhead City Bullhead City is a city located on the Colorado River in Mohave County, Arizona, United States, south of Las Vegas, Nevada, and directly across the Colorado River from Laughlin, Nevada, whose casinos and ancillary services supply much of the em ...

. The peak is about southwest of the mountain community of Oatman and east of the

Colorado River The Colorado River ( es, Río Colorado) is one of the principal rivers (along with the Rio Grande) in the Southwestern United States and northern Mexico. The river drains an expansive, arid drainage basin, watershed that encompasses parts of ...

History

Several

Indian tribe In the United States, an American Indian tribe, Native American tribe, Alaska Native village, tribal nation, or similar concept is any extant or historical clan, tribe, band, nation, or other group or community of Native Americans in the Unit ...

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. Headquartered in Washington DC, and with oversight over , it governs one eighth of the country's la ...

determined and the Arizona

State Historic Preservation Office The State Historic Preservation Office (SHPO) is a state governmental function created by the United States federal government in 1966 under Section 101 of the National Historic Preservation Act (NHPA). The purposes of a SHPO include surveying an ...

concurred that Boundary Cone is eligible for inclusion on the

National Register of Historic Places The National Register of Historic Places (NRHP) is the United States federal government's official list of districts, sites, buildings, structures and objects deemed worthy of preservation for their historical significance or "great artistic v ...

as a property of traditional, religious, and cultural importance to several Indian 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 A creative work is a manifestation of creative effort including fine artwork (sculpture, paintings, drawing, sketching, performance art), dance, writing (literature), filmmaking, ...

text from this official

United States government The federal government of the United States (U.S. federal government or U.S. government) is the national government of the United States, a federal republic located primarily in North America, composed of 50 states, a city within a fede ...

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 use, the term can also be applied to smaller structures or f ...

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 Nevada. The reservation is home to approximately 1,100 members of the federally recognized Fort Moj ...

, 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