west of Madera, on a dirt road. The Huápoca caves consist of the "Serpiente" and the Nido de Aguila caves. These are considered the most impressive on a cliff. It has complete structures. It has magnificent views of the Huápoca Canyon. Cueva de la Serpiente It has 14 adobe houses, over 1,000 years old. Nido del águila It only has one house, built on the edge of a sheer cliff under a rocky overhang, provides a meaning to its name. Cueva Grande Located 66 kilometers west of Madera, on a dirt road. Cueva Grande hides within convoluted land and behind branches of trees. The mouth of the cave is obscured by a waterfall from the top of the cave to a stream. There are two, double-story houses (800 years old) that are good examples of the native construction techniques. There is also a round grain storage area behind the structure. La Ranchería Cave complex, 50 kilometers south of Madera. Has an extended archaeological remain area at the base of the Sirupa canyon. Cueva del Puente 45 kilómeters north of Madera Cuarenta Casas Cuevas El Garabato or Cueva de Las Ventanas, known as Cuarenta Casas was built between 1060 and 1205 CE, residential complex of the Paquimé culture inhabitants. This complex (located in the Garabato Creek) has an interesting number of constructions and the great cave, guarded by a small waterfall. New Discoveries In one of the Rio Papigochi side canyons, southwest of Madera, is a complex that was inhabited by ancient communities that built homes in the caves and rock shelters. These sites are so safe that todate are virtually intact. None of these caves can be easily seen, the only way to know they are there, is when you are inside. Cueva de los Fierros Located in the middle of the Canyon slope in an almost vertical wall. Its size is about 30 m and has a complex of at least 10 adobe rooms, some of them in two floors. The whole has a foundation base, as a terrace, on which the rooms were built, the windows are "T" shape, typical paquimé culture. Almost all rooms are partially destroyed; ceilings still preserved the original wooden structure, inside were found some stone tools such as scrapers, knives, grindstones, fragments of pottery and other objects which could not be identified. There were many olotes found, evidence of corn consumptions and storage.