sentences:  US 250 enters Virginia on top of Allegheny Mountain, the ridgeline that forms the Virginia – West Virginia state line and the Eastern Continental Divide.The highway continues northwest into Pocahontas County, West Virginia toward Durbin and Elkins.US 250, which is known as Highland Turnpike, parallels the state line, then veers east and has a curvaceous descent along the east side of the mountain to the narrow valley of Back Creek.