Live Chat I-90 Community Nearby Traffic Hidden Valley Campground 2024-04-26 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Hidden Valley Campground Lead, SD 10.13 Whitewood, SD 16.18 Nemo, SD 20.86 Interstate highway exits close to Hidden Valley Campground Exit 17, i90 15.74 Exit 23, i90 15.81 Exit 30, i90 16.65 Interstate highways close to Hidden Valley Campground i90 map 15.74 i25 map 220.99 i94 map 282.21 State roads close to Hidden Valley Campground US 385 SD map 2.18 US 85 SD map 3.27 US 14A SD map 4.32