El Morro National Monument , rock formation and archaeological site to the west of New Mexico , United States, 19 km southeast of Ramah. The monument was established in 1906 and has an area of 5 km².
El Morro (the "headlands" or "bluff") or Inscription Rock is a mesa (cuesta) of soft sandstone , which rises 60 meters above the valley floor. A Watershed and sheltered coves at its foot made it an important campsite on the way to the fabled cities of Cibola . Indians, Spanish, and Americans left hundreds of inscriptions (1605–1906) on the cliff sides of the mesa. The most famous of these inscriptions was made by the Spanish conqueror Juan de Oñate Leave , when he traveled through the region in 1605. El Morro also has a number of pre-Columbian petroglyphs and on their top lie ruins of two Puebloan Ancestors (Anasazi). Pueblos.