I will start off by saying that the road leading into this campground is pothole galore. There are some serious holes and a LOT of them, so if you are traveling in a sedan like I was, be prepared for a lot of zig zagging trying to maneuver through them without damaging your car. We visited Tinkham campground June 29th and meant to stay until July 1st but ended up leaving early due to kids freaking out and wanting to go home and screaming all night. The campground itself is nice, a lot of the camp sites look nice and distanced well away from others so you have some privacy. Ours was directly on the side of #9 so there wouldn't have been any privacy if we did have a neighbor. The discovery trail is right to the side of #10 but it's easy to miss because it's a small narrow trail in the woods. We would have missed it all together if it weren't for the small wooden sign a few feet down the trail identifying it. The noise from the freeway definitely overpowers the river sound, but like other reviewers said, you get use to it and it becomes white noise at night. The south fork of the Snoqualmie river goes right past the campground, we went to look at it but with small kids we didn't get too close because it is fairly deep and was running pretty fast. Overall, the stay at the campground was nice, minus our issues with the kids. There is a pump with fresh water when you come in and vault toilets on each side of the campground (no lights inside and some don't lock so bring a light)