yellowstone camping tips

[blue_vett]

We will be taking a trip with two other travel trailer this juen to Yellowstone national park. The problem is finding a campground for all three trailers. I am thinking of staying at Rainbow Point https://www.google.com/maps/place/Ra...4d-111.1802781 has anyone ever stayed there? we are also going to check out cody wyoming and thinking of staying at Wapiti Campground https://www.google.com/maps/place/WA...4d-109.6233308

has anyone ever stayed at these campgrounds or have any advice on campgrounds near the west entrance or cody wy? or even things to see or do in the park, also any advice on campgrounds in the park? Thanks