Keya Paha County is a county in the U.S. state of Nebraska. As of the 2020 United States Census, the population was 769. Its county seat is Springview.

Nebraska Highway 12 is a highway in northern and northeastern Nebraska. It has a western terminus at U.S. Highway 83 in Valentine and an eastern terminus at U.S. Highway 20 west of Jackson. The highway largely lies within 10 miles (16 km) of the South Dakota border its entire length. The highway has been designated the Outlaw Trail Scenic Byway.