Cimarron County

Cimarron County, Oklahoma

Kenton, in the far northwestern corner, is the only Oklahoma community on Mountain Time.

Cimarron County is the only county in the United States that touches five states: Kansas, Colorado, New Mexico, Texas, and its own, Oklahoma.

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Cimarron County

Black Mesa

Black Mesa is a mesa that extends from Mesa de Maya in Colorado southeasterly 28 miles (45 km) along the north bank of the Cimarron River, crossing the northeast corner of New Mexico to end at …

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Cimarron County

Black Mesa State Park

This park is in Oklahoma's panhandle and got its name from the layer of black lava rock that coated the mesa about 30 million years ago. The Nature Preserve is located 15 miles from the state p…

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Cimarron County

Boise City Bombed

Boise City Bombed July 5, 1943. Still Booming July 5, 1993. Placed by Boise City area Chamber of Commerce and Cimarron County Historical Society.

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Cimarron County

Camp Nichols

Camp Nichols, also known as Fort Nichols or Camp Nichols Ranch, was a historic fortification located in present-day Cimarron County, Oklahoma. It was built by New Mexico and California voluntee…

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Cimarron County

Cimarron County Courthouse

Listed in the National Register of Historical Places

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Cimarron County

Cimmy the Dinosaur

Cimarronasaurus "Cimmy" Size of this Apatosaurus calculated from 80% of bones that were excavated in western Cimarron County in the 1930s. Length - 65 feet, Height - 35 feet, Weight -…

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Cimarron County

Dinosaur Quarry

Statue of a dinosaur bone found in the area

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Cimarron County

Dinosaur Tracks

Located on private property, dinosaur tracks have been preserved in sandstone creek beds and are available for viewing during daylight hours. Be sure to walk down into the creek bed to see two …

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Cimarron County

Fort Nichols

7 mi S.W. Established in May 1865, by Kit Carson, hero of Valverde and Brig. Gen., New Mexico Volunteers, to guard Santa Fe Trail and furnish escorts for caravans engaged in Santa Fe trade. …

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Cimarron County

Kenton Museum

A small native rock home built in 1902 is one of the oldest buildings in Kenton, Oklahoma. Exhibits include items that helped settle No Man's Land. Free admission, donations appreciated.

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Cimarron County

Santa Fe Trail

Surveyed by J.C. Brown 1826-27. Heaviest traffic during California Gold Rush 1849. Abandoned on completion of A.T. & S.F. Railroad in 1880

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Cimarron County

Sante Fe Trail - NM/OK Border

Santa Fe Trail Cimarron Route 1822 - 1880 -- Marker by the High Plains Chapter Daughters of the American Revolution -- Oklahoma

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Cimarron County

The Mormon Battalion in the Oklahoma Panhandle

From September 23 through 27, 1846, the Mormon Battalion crossed the northwestern portion of the Oklahoma Panhandle. The little army's 500-plus volunteers, recruited for the Mexican War, were e…

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Cimarron County

Tri-State Marker - OK, CO, NM

Marker showing where Oklahoma, Colorado, and New Mexico meet.

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Cimarron County

Tri-State Point - OK, KS, CO (Eight Mile Corner)

The point Oklahoma, Kansas, and Colorado meet.

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Cimarron County

Tri-State Post - OK, NM, TX

A survey post marking where Oklahoma, New Mexico, and Texas meet.


  1. County information from Wikipedia.
  2. Population from U.S. Census Bureau, 2020.