Eight Mile Corner
Tristate point

 State Line Road
Elkhart, Kansas 67950
(620) 697-4600 

free   open 24 hours

Eight Mile Corner Map

Three Corners - northwest Kansas

Colorado, Kansas, Oklahoma Tripoint Marker - Elkhart, Kansas

All that remains of the 1903 windmill marker

A Tristate Point is a location where the boundaries of three states intersect. There are 38 Tristate Points in the United States and four of them are at the four corners of the state of Kansas. Eight Mile Corner, 8 miles west of Elkhart, Kansas, is the location of the southwest Kansas Tristate Point.

The exact location of the Kansas, Colorado, Oklahoma Tristate Point was uncertain for many years, but was firmly established in 1990. The brass plate at the top of this page is 4' above that survey marker. When we first visit Eight Mile Corner in 2011, there was a nearby windmill which had "Kans." "Okla." and "Colo." for blades. It had been in place since 1903 when a survey marked the Tristate Point as being about 3/4 of a mile north of this point. Sadly, the 1903 windmill maker collapsed a few years ago and was never replaces.

There is relatively little to see related to the Tristate Point, but this part of the Cimarron National Grassland is starkly beautiful. In the Spring there is a forest of yucca blooms. In the summer there are many low buffalo gourd plants with bright yellow flowers and small, melon shaped bitter gourds. You may also encounter mule deer, prairie dogs and burrowing owls.

A U. S Forest Service sign on the north side of State Line Road a half mile east of 8 mile corner will help you find a prairie dog town. Stand quietly next to the fence for a few minutes and you will see the prairie dog heads peering from the top of the many burrows. The National Forest Service does not recommend walking through the prairie dog town. Listen for the "bark" which the sentinels use to warn of predators.

To reach Eight Mile Corner: from the edge of Elkhart where Oklahoma Highway 95, Kansas Highway 56 and Baca Avenue intersect, turn north onto Baca, cross the railroad tracts and then turn west on County Road A (better known as State Line Road) and drive eight miles. State Line Road is unpaved, but kept in pretty good condition. A short stretch at the Tristate Point is paved. 

Addition survey markers in Colorado, Kansas and Oklahoma point to the Tripoint maker - this one is in
Kansas, a few feet from the Eight Mile Corner Windmill

standing on the Tristate Marker
Linda Stokes standing in Kansas, Oklahoma and Colorado at the same time

Black-tailed Prairie Dog
Black-tailed Prairie Dog (Cynomys ludovicianus) standing sentinel duty in the Cimarron National Grasslands prairie dog town

mule deer (Odocoileus hemionus)
This mule deer (Odocoileus hemionus) was beside State Line Road about a quarter mile east of Eight Mile Corner

Buffalo gourd
Buffalo gourd (Cucurbita foetidissima)

Eight Mile Corner Windmill at the Colorado, Kansas, Oklahoma Tristate Point
This was the 1903 windmill maker which stood at this location until a few years ago.
The brass plate over the 1990 Tristate survey marker is in the cement square at the side of the road on the left

Eight Mile Corner Tripoint Map - Elkhart, Kansas
Eight Mile Corner Map

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