Welcome! The Big Lake Trading Post in Page, Arizona is in the middle of the Grand Circle. The Grand Circle consists of the North and South Rims of the Grand Canyon National Park, Zion National Park, Bryce Canyon National Park, Monument Valley Navajo Tribal Park, and Canyon de Chelly National Monument. At the middle of the Grand Circle is the Glenn Canyon Dam and Lake Powell. The Big Lake Trading Post has one of the first murals by Robert Wyland.