Large ponderosa pines tower over paved sites at Quartz Flat Campground, which sits directly behind the Interstate 90 rest area in the Clearwater National Forest. Campers access the campground through the rest stop entrance, creating an unusual but convenient setup for highway travelers. The facility spans both sides of the highway, connected by a 13-foot-tall culvert that allows RVs to pass underneath to the quieter river-side loops.
Loop A accommodates larger RVs up to 45 feet with pull-through sites, while Loop C caters to smaller units, vans, and tent campers. Sites feature concrete pads, picnic tables, and fire rings with grill grates. The campground provides multiple water spigots, vault toilets, a dump station, and bear-resistant trash containers. Camp hosts distribute five pieces of free firewood per night and maintain the facility during the Memorial Day to Labor Day season.
Highway noise reaches all areas of the campground, though Elizabeth R. notes "when I was in my van with the doors closed you couldn't hear it at all." The Clark Fork River flows below the campground, visible from a half-mile interpretive trail that begins at Loop C. Train tracks run adjacent to some sites, adding occasional noise for campers in certain areas.
At $10 per night with discounts for senior and military passes, the campground operates on a first-come, first-served basis. Cell service remains strong throughout the facility, making it practical for travelers needing connectivity while camping near campgrounds around Clearwater National Forest.
Description
Conveniently located just off Interstate 90, this forested campground with nature trail is a nice break from traveling on the highway. It's a great place to stretch your legs, warm by a campfire, or enjoy the aromas of the pine forest. Roads and spurs are paved.
RV Road Trip Guides
Location
Public CampgroundQuartz Flat Campground is located in Idaho
Directions
Off Interstate 90, either east or westbound, this campground is located 11 miles east of Superior, Montana. There is no exit ramp so follow the campground signs, and drive through the rest area to access the campground entrance.
Coordinates
46.71534838 N
114.79956282 W
Connectivity
- T-MobileNo Coverage
- VerizonNo Coverage
- AT&TNo Coverage
Connectivity
- T-MobileNo Coverage
- VerizonNo Coverage
- AT&TNo Coverage
Access
- Drive-InPark next to your site
- Walk-InPark in a lot, walk to your site.
Site Types
- Tent Sites
- RV Sites
- Standard (Tent/RV)
Features
For Campers
- ADA Access
- Trash
- Picnic Table
- Firewood Available
- Phone Service
- Reservable
- Drinking Water
- Toilets
- Alcohol
- Pets
- Fires
For Vehicles
- Sanitary Dump
- Sewer Hookups
- Pull-Through Sites
Drive Time
- 2 hrs 5 min from Missoula, MT
- 3 hrs 43 min from Coeur d'Alene, ID
- 3 hrs 47 min from Helena, MT
- 4 hrs 53 min from Lewiston, ID


















