Earth's most famous hole
A mile deep, 277 miles long — 2 billion years of exposed rock and one of the Seven Natural Wonders of the World. South Rim stays open year-round.




Shuttles at South Rim; rent a car to move between rims.
North Rim is closed mid-October to mid-May — plan accordingly.
Safe. Never hike to the river and back in one day.
Stargazing in the International Dark Sky Park.