This has a lot of campgrounds, but Microsoft's Streets & Trips has a different list. They actually complement each other. Woodalls rates them and S&T does not, which makes Woodalls much better. But I wish that Woodalls had more campgrounds (this is why I deducted a star & gave it a 4). What I really like is that Woodalls provides info on state and national parks.
Woodalls seems to provide an accurate rating even tho they advertise, but if I camp in the off season then a CG that is a 4 will be a 5 just because of the open expanse and peacefullness. I always look for the width of the sites, which will influence me more than anything else - I don't like to be too close.
Pets welcome is good to know although a CG I tried to stay at would not allow dog walking off the individual site. That's not pet welcome! I had to cancel the check in and go to the next CG.
In spite of Woodalls discount on-line prices I still got this cheaper on Amazon, and it came quickly.