Jordan Creek is a 34.1-mile-long tributary of Little Lehigh Creek in Lehigh County, Pennsylvania. Jordan Creek arises from a natural spring on Blue Mountain. The spring is located downhill from the Bake Oven Knob shelter on the Appalachian Trail in Heidelberg Township in Lehigh County. The water course then flows intermittently downhill past Mountain Road, c…Jordan Creek is a 34.1-mile-long tributary of Little Lehigh Creek in Lehigh County, Pennsylvania. Jordan Creek arises from a natural spring on Blue Mountain. The spring is located downhill from the Bake Oven Knob shelter on the Appalachian Trail in Heidelberg Township in Lehigh County. The water course then flows intermittently downhill past Mountain Road, carrying further south through Heidelberg Township and passing through the Trexler Nature Preserve in Schnecksville.