Founded in 1878, Silverado, a California Historical Landmark, is an unincorporated community in Silverado Canyon, which is located in the Santa Ana Mountains in eastern Orange County, California. Portions of the town sit on a former Mexican land grant Rancho Lomas de Santiago. Silverado is located at the boundaries of Cleveland National Forest. The area was mined for silver during the late 19th century. Remnants of mining operations such as the Blue Light Mine are still scattered in the area . Timber was harvested for use by the railroad. Coal was mined at the time in Carbondale. Ancient sea life fossils can be found within the sandstone cliffs in the area. During Spanish rule, the canyon was visited by Spanish explorers and was known by the name Cañada de la Madera (Timber Canyon). The town in Spain by that name bears a remarkable resemblance to Silverado.