This campground is AT the rest stop. It's a bit different. If travelers knew about it they would stop and go into the campground for a picnic lunch and it is great to let the dogs walk in the woods, but no one ever does that because they do not realize the National Forest Campground is there... They stop at the rest stop (new redone) and move on. 

Hardly anyone goes there on loop G. The other Clark Fork side gets some weekenders.  The other loops are on the other side of the highway accessible by a tunnel under the highway and one loop was deactivated a few years ago because of a lack of traffic. One side is right above the Clark Fork River. The other Loop G is on the other side of the highway and has one set of "real toilets" a potable and non-potable/dump water station for filling water tanks and rinsing tanks AND its a nice free dump station. Sites are smaller being built back in the 60's I'm thinking in G, but a few drive throughs on the other side by the river. It's 35 minutes north of Missoula MT. It is Close to trails has a half mile nature trail onsite and river access is close by... If you are traveling, need a really nice campground with few people in the woods, and inexpensive, this is the place... Coming to fish, do some kayaking or rafting on Clark Fork Check. 

There is some road noise and on Loop G the occasional train next to the campground. The Clark Fork side doesn't have the train but seem louder closer to the road. That does not bother us so no big deal there. All sites are wooded...