Kadoka is a town in the Badlands and Black Hills of South Dakota. Understand Get in Get around See Badlands Petrified Gardens, E Hwy 16 and Cty Rd 4 (I-90 Exit 152), 43.849554°, -101.480489°, +1 605 837-2448. Apr 15-Oct 31. Do Buy Eat Drink Sleep America's Best Value Inn, 401 SD Hwy 73 (I-90 Exit 150), 43.8391°, -101.524681°, +1 605 837-2188. Check-in: 2PM, check-out: 11AM. Connect Go next