We stayed at the Avalanche Creek Campground in Glacier after Labor Day weekend and had a great experience. It is a first-come first-serve campground so you have to get there in the morning especially in the summer in order to get a spot. But we found that after Labor Day it is easier. We stopped there at 2pm and still got a great spot. It is set in the woods and very well kept. Bathrooms left a little to be desired as they didn't have lights, so bring a headlamp and they aren't heated so dress warm. It was a nice quiet campground and very peaceful. The stargazing was great out here.

We camp with a 3 person tent and just one vehicle.

We would definitely stay there again.