We were campground at the North Rim of the Grand Canyon for seven days this past June. We took our Basset Hound, Bogie, and he had a wonderful time. You can't take dogs on the NP Trails as said, but there are plenty of places to walk in the campground and surrounding area. It was cool enough in the daytime that we could leave him in the RV when we drove to the Lodge Restaurant for lunch without worrying about a hot RV. The North Rim is so beautiful, less congested, higher elevation and therefore cooler than the South Rim.