(Centennial Greenway / KATY Trail) in St. Charles, MO. Arena Pkwy E. 0.1 miles from jct with MO364, S. on Hemsath Rd. 0.25 miles, turns W. & becomes River Rd. 150’, S. to parking lot & is to the SE corner of the parking lot. (N38 44.428 W90 31.426) Photos by Jack & June Schmidt 3-25-14.