After you reach the curtesy dock, there is a two-mile trail to the observation area. NOTE: as water levels change, so does the length of the trail.
By Boat
Rainbow Bridge is only accessible by boat or by land over a 14 mile trail. Visitors may take their personal boats to Rainbow Bridge. Boat tours to the Bridge are available from Aramark, the park's concessioner. Once you dock your boat there is a two-mile trail to the Rainbow Bridge obervation area.
By Land
If you choose to backpack to Rainbow Bridge, a permit must be obtained from the Navajo Nation.