California:
- Rancho San Pedro: Located in the San Francisco Bay Area, Rancho San Pedro was established in the 1770s and was one of the largest ranchos in the region.
Texas:
- Rancho de Nuestra Senora de la Purísima Concepción de Acuña: Also known as the "Alamo," this historic mission and ranch was established by Spanish missionaries in the 18th century and played a significant role in Texas history.
New Mexico:
- Rancho de los Golondrinas: Situated near Santa Fe, Rancho de los Golondrinas is a living history museum that showcases the rural life of a 19th-century New Mexican ranch.
Colorado:
- Sangre de Cristo Ranchos: In southern Colorado, these ranches were established in the 1840s and were used for grazing livestock and agriculture.
Arizona:
- Canoa Ranch: Located near Tucson, Canoa Ranch has its origins in the Spanish colonial era and was later acquired by the Mexican government.
Baja California (Mexico):
- Rancho Santa Anita: This historic ranch, located near Ensenada, was established in the late 18th century and played a prominent role in the development of the region.
Sonora (Mexico):
- Rancho El Aribabi: Situated in the Altar Valley of Sonora, Rancho El Aribabi was established in the 17th century and is known for its well-preserved Spanish colonial architecture.
Chihuahua (Mexico):
- Rancho Las Delicias: This ranch, located near the city of Chihuahua, has its origins in the late 1700s and is known for its impressive hacienda and beautiful surroundings.
These examples represent just a few of the numerous historical Spanish or Mexican Ranchos that once thrived throughout the Southwest and Mexico. Each of these ranches has its own unique heritage and contributions to the cultural history of the region.