Prairie Spirit Trail – South End – Welda Rest Area Trail Season: Year-around Length of Trail: 51 mile(s) Trail Activities: Walking, Mt. Biking There is camping located near the trail This trail is ADA accessible Location of Start: N38 10 10.7 W095 17 42.6 Click for more information A 51 mile linear park built upon a rail-banked rail corridor. The riding/walking surface is 8 feet wide hard packed limestone screenings. Grades are moderate and follo the original rail grades.