Badlands Loop Road (HWY 240) 9 miles South of I-90 from exit 131, tel: (605) 433-5361. Open June 5 - August 20, 7AM-7PM; August 21-September 17, 8AM-6PM; September 18 - October 14, 8AM-5PM; October 15 - April 2007, 9AM-4PM. The center reopened in 2006 after extensive renovations and improvements. The Badlands Natural History Association operates a small shop with educational materials for sale. The center is open year round and bus and RV parking is available.