Mount Diablo Creek

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.

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.

Rancho Las Aromitas y Agua Caliente, commonly known as Rancho Las Aromas, was a 8,660-acre (35.0 km2) Mexican land grant in present-day San Benito County, California given in 1835 by Governor José Castro to Juan Miguel Anzar. The name means "little perfumes and hot spring" and refers to nearby sulfur springs. The grant is close to the Santa Cruz County, California line and encompassed present-day Aromas.

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.

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.

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.

San Juan Valley, sometimes called San Benito Valley formerly Canada de San Benito or Llano De San Juan: 290, 307  is a valley that has its head near the Gabilan Range. Bounded on the north by the Lomerias Muertas and the Flint Hills and south and east by the Gabilan Range, and the gap between the Gabilan Range and Flint Hills where the San Benito River enters the valley from the east. It terminated where the San Benito River has its confluence the Pajaro River, about 15 miles (24 km) upstream from the river's outlet in Monterey Bay. It is the lowest part of the watershed of the San Benito River and can be considered part of the San Benito Valley. Named for the Mission San Juan Bautista which was established in this valley.

Earthbound Farm is an American farm located near San Juan Bautista, California. It is the largest producer of organic salads in the United States. It was also the first company to produce prewashed, packaged salad greens on an industrial scale.

Sargent station was a railroad depot for Sargent, California. The station stop was established in 1869 when the Santa Clara and Pajaro Valley Railroad extended its line to Sargent. Located near the mouth of Pescadero Creek and adjacent to the Sargent Ranch, the station was named after James Pattee Sargent, who owned the Rancho Juristac Mexican land grant and served in the California State Assembly representing Santa Clara County.

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.