Mount Sunflower
Mount Sunflower is the highest place in the state of Kansas. At , it is feet above the state's lowest point in Montgomery County. The mountain is in Wallace County, less than half a mile (0.8 km) from the Colorado state border and close to the lowest point in Colorado.
The State of Kansas slowly increases in elevation from the east to the west. Because of this, "Mount" Sunflower, while the highest point in the state, does not look any different from the land around it.
References
Geography of Kansas
Mountains of the United States