The Feather River is the principal tributary of the Sacramento River, in the Sacramento Valley of Northern California. The river's main stem is about 73 miles (117 km) long. Its length to its most distant headwater tributary is just over 210 miles (340 km). The main stem Feather River begins in Lake Oroville, where its four long tributary forks join together—the South Fork, Middle Fork, North Fork, and West Branch Feather Rivers. These and other tributaries drain part of the northern Sierra Nevada, and the extreme southern Cascades, as well as a small portion of the Sacramento Valley. The total drainage basin is about 6,200 square miles (16,000 km2), with approximately 3,604 square miles (9,330 km2) above Lake Oroville.
Almaden Valley, or simply Almaden is a valley and primarily upper middle class residential neighborhood of San Jose, California, in South San Jose.
Almaden Quicksilver County Park is a 4,163 acres (17 km²) park that includes the grounds of former mercury ("quicksilver") mines adjacent to south San Jose, California, USA. The park's elevation varies greatly: the most used entrances are less than 600 feet above sea level, while the highest point in the park is over 1,700 feet above sea level.
Calaveras Reservoir is located primarily in Santa Clara County, California, with a small portion and its dam in Alameda County, California. The reservoir capacity is seismically restricted, approximately 30,000 acre⋅ft (37,000,000 m3). In Spanish, Calaveras means "skulls".
Oak Ridge in Santa Clara County, California, is a ridge forming the east canyon wall of Arroyo Hondo, which drains into Calaveras Reservoir. Black Mountain is its highest point. The first known white settlers on Oak Ridge were the Parks family, who ran cattle on the ridge. Now owned by the San Francisco Water Department, the ridge is private property and is off-limits to most people.
Ed R. Levin County Park is the largest park in Milpitas, California. It is run by the Santa Clara County Parks and Recreation Department and is located in the chaparral foothills of Diablo Range east of the Santa Clara Valley. Monument Peak can be accessed through trails in the park. The park's recreational facilities include a hang gliding and paragliding area, a dog park, and horseback riding areas. Ed R. Levin County Park has two lakes, Sandy Wool Lake and Spring Valley Pond. Both of them are reservoirs which collect runoff water from the hills to the east. It is home to some of the East Bay Walls.
The Delta–Mendota Canal is a 117 mi (188 km) aqueduct in central California, United States. It is part of the Central Valley Project and its purpose is to replace water in the San Joaquin River that is diverted into Madera Canal and Friant-Kern Canal at Friant Dam. Average annual throughput is 1,993,000 acre feet (2.458 km3).
Poverty Ridge is a ridge in unincorporated Santa Clara County, California, east of Milpitas. Calaveras Valley lies to its west, while its east side slopes down to meet Arroyo Hondo. Creeks that originate on Poverty Ridge include Calaveras and Penitencia Creeks.
The Shores of Poker Flat is an unincorporated community in Calaveras County, California. It lies at an elevation of 584 feet above sea level and is located at 37°54′11″N120°34′56″W, on the shore of the Tulloch Reservoir. The community is in ZIP code 95228 and area code 209.
The Clayton-Marsh Creek-Greenville Fault is a fault located in the eastern San Francisco Bay Area of California, in Alameda County and Contra Costa County. It is part of the somewhat parallel system of faults that are secondary to the San Andreas Fault.
The Bernal Subbasin is an aquifer located in the southwestern corner of Livermore Valley Groundwater Basin, Alameda County, California, United States. All of the groundwater in Livermore Valley moves toward the Bernal Subbasin, which is bounded on the east by Pleasanton Fault, on the north by the Park Fault, and on the west by the Calaveras Fault.(Earth Metrics, 1989) All the streams draining the Livermore Valley merge above the Bernal formation and exit this subbasin and Livermore Amador Valley via the Arroyo de la Laguna.
Smith Creek is a 14-mile-long (23 km) perennial stream which flows along the western flank of Mount Hamilton in Santa Clara County. The creek begins near Bollinger Ridge, about 7.7 km SxSW of Mount Hamilton.
Bishop Ranch Regional Preserve (BRRP), also known as Bishop Ranch Regional Open Space Preserve is a 444-acre (1.80 km2) regional park on a ridge top at the edge of San Ramon, CA. It is near residential area, west of San Ramon Valley Road and South of Bollinger Canyon Road. Trails are steep and there are no facilities other than a trailhead. It is part of the East Bay Regional Parks system.
Garden Valley is a former settlement in Yuba County, California. It was located 3.25 miles (5.2 km) west-southwest of Camptonville, at an elevation of 1909 feet. It was inundated by Bullards Bar Reservoir.
Big Valley is an unincorporated community in Calaveras County, California. It lies at an elevation of 2155 feet.
Happy Valley is an unincorporated community in Calaveras County, California. It lies at an elevation of 1509 feet.
Isabel Creek is a 18-mile-long (29 km) perennial stream which flows northwestly along the eastern then northern flank of Mount Hamilton in Santa Clara County. It joins Smith Creek to form Arroyo Hondo north of Mt. Hamilton and is part of the southernmost Alameda Creek watershed.
Mississippi Creek is a tributary stream to Pacheco Creek in Santa Clara County, California.
Valle Atravesado,, a small, east-west running valley that crosses the north-south running valley of the upper reach of Mississippi Creek in the Diablo Range, in Santa Clara County, California.
Mississippi Lake is reservoir on Mississippi Creek within Henry W. Coe State Park in Santa Clara County, California. It is also the largest reservoir in the park.
