beliefs, the taller of the two spires is the home of Spider Grandmother. Most park visitors arrive by automobile and view Canyon de Chelly from the rim, following both North Rim Drive and South Rim Drive. Ancient ruins and geologic structures are visible, but in the distance, from turnoffs on each of these routes. Deep within the park is Mummy Cave. It features structures that have been built at various times in history. Private Navajo-owned companies offer tours of the canyon floor by horseback, hiking or four-wheel drive vehicle. The companies can be contacted directly for prices and arrangements. No entrance fee is charged to enter the park, apart from any charges imposed by tour companies. Accommodations for visitors are located in the vicinity of the canyon, on the road leading to Chinle, which is the nearest town. The National Monument was listed on the National Register of Historic Places on August 25, 1970. Climate The data below were compiled starting in 1908 via the WRCC. Gallery See also List of national monuments of the United States Ancestral Puebloans Battle of Canyon de Chelly Mesa Verde National Park National Register of Historic Places listings in Apache County, Arizona References External links Canyon de Chelly (poem by Simon Ortiz, 1977) Accessed 2013 January 15 1931 establishments in Arizona Archaeological museums in Arizona Archaeological sites on the National Register of Historic Places in Arizona Arizona placenames of Native American origin Cliff dwellings Former populated places in Arizona Geography of the Navajo Nation Historic American Buildings Survey in Arizona Museums in Apache County, Arizona National Park Service National Monuments in Arizona Native American history of Arizona Native American museums in Arizona Protected areas established in 1931 Protected areas of Apache County, Arizona Former populated places in Apache County, Arizona Canyons and gorges of Arizona National Register of Historic Places in Apache County, Arizona Populated places on the National Register of Historic Places in Arizona