This page has information about "developed" campgrounds. (where vehicles are permitted)
How Can I Make Campground Reservations ?
Advance campground reservations can be made for two of the three NPS campgrounds within Grand Canyon National Park. The NPS campgrounds do not have RV hook-ups.
Reservations can be made through the National Recreation Reservation Service
How Do I Decide Which Rim to Visit ?
Did You Know?
The more recent Kaibab limestone caprock, on the rims of the Grand Canyon, formed 270 million years ago. In contrast, the oldest rocks within the Inner Gorge at the bottom of Grand Canyon date to 1.84 billion years ago. Geologists currently set the age of Earth at 4.5 billion years.