For those making their first trip to the Grand Canyon, we offer a few words of advice on when to go, where to stay, and how to get around., Fast forward to today when more than six million people a year visit Grand Canyon National Park to experience its incredible vistas, hiking trails, historic hotels, and more., Descend below the rim to experience the Grand Canyon’s heart. Explore the Colorado River, hidden waterfalls, and ancient rock layers through hiking trails or guided tours., Located on the ancestral homelands of 11 present day Tribal Communities, Grand Canyon is one of the most spectacular examples of erosion anywhere in the world—a mile deep canyon unmatched in the incomparable vistas it offers visitors from both north and south rims., Grand Canyon, immense canyon cut by the Colorado River in the high plateau region of northwestern Arizona, U.S., noted for its fantastic shapes and coloration. The U.S. Congress officially established Grand Canyon National Park in 1919 and in 1979 the park was designated a UNESCO World Heritage site., .