Exit guidesSouth DakotaI-90 › Exit 40

Exit 40 — I-90 in South Dakota

Tilford Road · Milepost 40 · 5 places at this exit.

Food & restaurants · 1

PlaceOff the ramp
Wyatt's Lemonade0.7 mi · smoothie juice barcall

Hotels & stays · 3

PlaceOff the ramp
Tilford Gulch Campground0.9 mi · campgroundcall
After the Ride Campground1.0 mi · campgroundcall
Foothills RV Park2.2 mi · rv parkcall

Things to see · 1

PlaceOff the ramp
Wonderland cave3.8 mi · attraction

Nearby exits

Know every exit before you get there.

Pit Stop shows gas, food, hotels & must-see stops at every exit ahead — free, offline, on iPhone & CarPlay.

Download Pit Stop