Rancho Las Aromitas y Agua Caliente

River Oaks is an unincorporated community in San Benito County, California, United States. River Oaks is located on the south bank of the Pajaro River and California State Route 129, 4.5 miles (7.2 km) northwest of San Juan Bautista.

Chittenden is an unincorporated community in Santa Cruz County, California, United States. Chittenden is located along California State Route 129 and the north bank of the Pajaro River, across the river from River Oaks and 8.4 miles (13.5 km) east of Watsonville.

Pescadero Creek is a 9-mile-long (14 km) southward-flowing stream originating in the southern Santa Cruz Mountains. It begins in Santa Clara County, California and flows into Santa Cruz County, before joining the Pajaro River, and thence to Monterey Bay and the Pacific Ocean. Pescadero Creek is the center of a critical linkage connecting the wildlife of the southern Santa Cruz Mountains to the Gabilan Range to the south.

The San Benito River is a 109 miles (175 km) long river flowing northwesterly between the Diablo Range and the Gabilan Range, on the Central Coast of California. The river begins in southeasternmost San Benito County, California and ends in the extreme northwestern part of the county, where it is a tributary to the Pajaro River. The San Benito River is longer than the Pajaro River and it drains more area, although it has proportionally lower flows.

Aromas (Spanish for "Perfumes") is an unincorporated community and census-designated place (CDP) in Monterey County and San Benito County, California, United States. The population was 2,708 at the 2020 census.The CDP straddles the border of the two counties, with Monterey County to the west and San Benito County to the east. The Santa Cruz County line is less than a mile to the northwest, and Santa Clara County is about 2 miles (3 km) to the north. Its population was almost equally distributed between the two counties with 1,358 in Monterey County and 1,292 in San Benito County; this was down from a population of 2,797 during the 2000 census (1,427 in Monterey County and 1,370 in San Benito County). Aromas is one of four CDPs in California that are divided between two or more counties. The others are Kingvale (divided between Placer County and Nevada County), Kirkwood (divided between Alpine County and Amador County), and Tahoma (divided between Placer County and El Dorado County).

Rancho Juristac was a 4,540-acre (18.4 km2) Mexican land grant in present-day Santa Clara County, California given in 1835 by Governor José Castro to Antonio and Faustino German. The rancho (also called "La Brea") was once noted for its liquid petroleum deposits. Rancho Juristac, five miles south of Gilroy, is the southernmost rancho in Santa Clara County, and encompasses Sargent.

Rancho Los Carneros was a 1,629-acre (6.59 km2) Mexican land grant in present day Monterey County, California given in 1842 by Governor Juan B. Alvarado to María Antonia Linares. The name means "sheep". The grant was near the San Benito County, California line and south of Rancho Cañada de la Carpenteria.

Rancho Cañada de la Carpenteria was a 2,236-acre (9.05 km2) Mexican land grant in present day Monterey County, California given in 1835 by Governor José Castro to Joaquín Soto. The name means valley of the carpenter's shop. The grant was near the San Benito County, California line, in hilly terrain north of Rancho Los Carneros and encompassed the former settlement of Dunbarton.

Tar Creek is an 8-mile-long (13 km) mainly southeastward-flowing stream originating on the eastern slopes of the Santa Cruz Mountains, in southern Santa Clara County, California, United States. Tar Creek flows through the Sargent Ranch, once the Rancho Juristac Mexican Land grant. It crosses under U.S. Highway 101 and about 5 miles (8.0 km) south of Gilroy, California joins lower Uvas Creek (also known as Carnadero Creek). From the Tar Creek confluence, lower Uvas Creek flows shortly south to its confluence with the Pajaro River at the Santa Clara County - San Benito County boundary.

The Marentis House, at 45 Monterey Street in San Juan Bautista, California, was built in 1873. It was listed on the National Register of Historic Places in 1984.It was designed in Gothic Revival style by George Chalmers, a local builder/architect who was from New England and was believed to have been influenced by Alexander Jackson Davis, an architect who authored/illustrated pattern books. The house was built by Thomas W. Bermingham, another local builder.It has twin gables facing to the front, from a steeply pitched roof, which was originally shingled with redwood shingles. Two upper front windows have Eastlake window hoods and much of the original glass remains in its windows. The house's floors and ceilings are made of redwood tongue-and-groove boards.It received limited earthquake retrofitting in the 1990s along with a mahogany gothic library and rebuilt fireplaces and chimney. The original Eastlake front door was replaced with a gothic style Dutch door.

The Rozas House is a historic house located at 31 Polk St. in San Juan Bautista, California, United States. The house, which was built in 1856, is long and narrow and consists of a series of rooms opening to the outside and an interior courtyard, an unusual style for wood-frame houses. Ambrozio Rozas Sr., purchased the house soon after its construction; his son, Ambrozio Rozas Jr., and his family occupied the house. Rozas Jr., lived in San Juan Bautista for the rest of his life; after his death, his wife Emelda Lugo Rozas occupied the house until 1950.The Rozas House was added to the National Register of Historic Places in 1982.

San Juan Bautista (Spanish for "Saint John the Baptist") is a city in San Benito County, in the U.S. state of California. The population was 2,089 as of the 2020 census. San Juan Bautista was founded in 1797 by the Spanish under Fermín de Lasuén, with the establishment of Mission San Juan Bautista. Following the Mexican secularization of 1833, the town was briefly known as San Juan de Castro and eventually incorporated in 1896. Today, San Juan is a popular tourist destination, as the home of the San Juan Bautista State Historic Park and other important historic sites, as well as cultural institutions like El Teatro Campesino. The location was used for scenes in the Alfred Hitchcock film Vertigo, though the church tower, which had been demolished years earlier by fire, was added by special effects.