Conococheague Mountain is a long and narrow mountain located in the far western corner of Perry County, Pennsylvania, United States. The highest point on the mountain is a summit known as Round Top which rises to an elevation of 2,190 feet (670 m) and is located at the very southern end of the ridge. The mountain is almost entirely located in the Tuscarora State Forest, and has numerous hiking trails and dirt roads, including Bryner Road, New Germantown Road, and the Iron Horse Trail.