Public campgrounds near Interstate 90 (west to east). All campgrounds within 20 miles of the interstate, unless otherwise noted. This list is not intended to be inclusive. Other campgrounds may exist that I am unaware of.
Kachess Campground, Lolo National Forest, Easton
Lake Easton State Park, Easton
Wish Poosh Campground, Lakedale
Note: Closed for the current season, but may reopen in future years.
Riverside State Park, Spokane
Farragut State Park, Athol
Note: About 25 miles north of the freeway.
Mokins Bay, Hayden
Cabin City NF Campground, St Regis
Quartz Flat NF Campground, Superior
Slowey NF Campground, Superior
Trout Creek NF Campground, Superior
Note: About 2 miles of the 10 miles are on gravel roads, not suggested for RV's or vehicles hauling trailers.
Placid Lake State Park, Seeley Lake
Salmon Lake State Park, Seeley Lake
Lewis and Clark Caverns State Park, Whitehall
Itch-Kep-Pe Park, Columbus
Circle Park, Buffalo
Keyhole State Park, Moorcroft
Bearlodge NF Campground, Aladdin
Rocky Point Recreation Area, Belle Fourche
Custer State Park, Custer City
40 miles from I-90, but a gorgeous drive.
Badlands National Park, Interior
Snake Creek Recreation Area, Platte
Note: 35 miles from Kimball on the freeway.
Walker's Point State Recreation Area, Colton
Big Sioux State Recreation Area, Sioux Falls
Lake Herman State Park, Madison
Note: About 29 miles from the Humboldt exit on I-90.
Palisades State Park, Corson
Blue Mounds State Park, Luverne
Kilen Woods State Park, Lakefield
Myre-Big Island State Park, Albert Lea
Whitewater State Park, Altura
Great River Bluffs State Park, Winona
Mirror Lake State Park, near Wisconsin Dells
Rocky Arbor State Park, near Wisconsin Dells
Lake Kegonsa State Park, McFarland
Note: I-90 through Illinois, Indiana, and some of Ohio is toll road. If needed, mileage is from the nearest exit from the toll road.
Rock Cut State Park, Loves Cut
Note: I-90 joins/splits from I-80 at Portage for some of Indiana. See listings for I-80. They are not repeated.
Indiana Dunes State Park
Dunewood CG, Indiana Dunes National Park
I-90 and I-80 separate/join at exit 142 on the toll road.
Geneva State Park, Geneva-on-the-Lake
PA: Forget it. No camping within 40 miles!
I-90 through NY is toll road.
Lake Erie State Park
Evangola State Park, Irving
Darien Lakes State Park, Darien Center
Cayuga Lake State Park, Seneca Falls
Green Lakes State Park, Fayetteville
Thompson's Lake State Park, Altamont
October Mountain State Forest, Lee
Wells State Park, Sturbridge
And still, more to come.....lots of freeways in the US!
For shorter breaks along this highway check HERE.