Double Springs, California

Greasertown is a former gold rush settlement in Calaveras County, 4 miles (6.4 km) west of San Andreas, on the west side of the Calaveras River. It was first mentioned in a newspaper in 1851. When it caught fire the next year, "Spanish incendiaries" were blamed which so angered the locals that they drove out all the Hispanics they could find. However, it survived at least until 1868. It was submerged when the first Hogan Dam on the Calaveras River was built in the late 1920s. Greasertown was not renamed Petersburg; they were separate communities a mile apart. Petersburg was founded in 1858.

Valley Springs (formerly known as Spring Valley and Valley Spring) is a census-designated place (CDP) in Calaveras County, California, United States, in the foothills of the Sierra Nevada Mountain Range. Valley Springs is registered as a California Historical Landmark, number 251.

New Hogan Dam is an embankment dam on the Calaveras River, a tributary of the San Joaquin River in central California. The dam lies east of Rancho Calaveras and impounds New Hogan Lake in the foothills of the Sierra Nevada. Built by the U.S. Army Corps of Engineers (USACE), the 210-foot (64 m)-high dam was completed in 1963. In 1986, the Modesto Irrigation District contracted with the USACE to build a base load hydroelectric plant at the dam with a capacity of 3.15 megawatts. The original Hogan Dam was completed in September 1930 and named for Walter Byron Hogan -- a Stockton, California City Engineer and later City Manager.

New Hogan Lake is an artificial lake in the foothills of the Sierra Nevada in Calaveras County, California, about 30 miles (48.3 km) northeast of Stockton. It is formed by New Hogan Dam on the Calaveras River, whose North and South forks combine just upstream of the lake, and has a capacity of 317,000 acre⋅ft (391,000,000 m3). The earth-fill dam, completed in 1963, is 210 feet (64.0 m) high from the crest of the dam to the original streambed. The reservoir was first filled in 1965. There is a small hydroelectric plant at its base. It is owned by the United States Army Corps of Engineers and provides flood protection, drinking water, electricity and water for irrigation. There is also recreation available, such as boating, fishing, water skiing and camping.

Paloma (Spanish for "dove"; formerly, Fosteria and Frenchman's Ranch) is an unincorporated community in Calaveras County, California. It lies at an elevation of 1362 feet (415 m) and is located at 38°15′34″N 120°45′48″W. The community is in ZIP code 95252 and area code 209. Gwin Mine, Paloma, and Lower Rich Gulch were mined for placer gold in 1849, and quartz was discovered by J. Alexander in 1851. Property here was acquired by William M. Gwin, California's first U.S. Senator, in 1851. After yielding millions of dollars in gold, the Gwin Mine closed in 1908. The town today is registered as California Historical Landmark #295. The town's post office operated from 1903 to 1918, when the name was Fosteria - from the Foster family, early pioneers.

Campo Seco (Spanish for "Dry Field") is an unincorporated community in Calaveras County, California. It sits at an elevation of 564 feet (172 m) above sea level and is located at 38°13′38″N 120°51′12″W. The community is in ZIP code 95226 and area code 209. Founded by Mexicans in 1849, the mining camp was quite cosmopolitan, with forty different nationalities of miners. The town was almost destroyed by a fire in 1854, but as the placers were still producing, much of the town was rebuilt. Most of the buildings that are still standing date from after the fire. The town also contains the largest living cork oak tree in California, which was planted in 1858. The town today is registered as California Historical Landmark #257. The first post office was established in 1854.

Pardee Dam is a 345-foot (105 m)-high structure across the Mokelumne River which marks the boundary between Amador and Calaveras Counties, located in the foothills of the Sierra Nevada approximately 30 miles (48 km) northeast of Stockton.

The Pioneer Cemetery, formerly known as the North Branch Cemetery, is a defunct cemetery established in c. 1851, and located along California State Route 12 in San Andreas, Calaveras County, California. It is the oldest known cemetery in Calaveras County.The site is listed as a California Historical Landmark (number 271), by the California Office of Historic Preservation since September 3, 1937.

Chili Gulch (also spelled Chile Gulch) is a gulch in Calaveras County, California. This five-mile gulch was the richest placer mining section in Calaveras County. It received its name from Chileans who worked it in 1848 and 1849, and was the scene of the so-called Chilean War. The largest known quartz crystals were recovered from a mine on the south side of the gulch. Chili Gulch is registered as California Historical Landmark #265.

Middle Bar is a former mining town on the Mokelumne River in Amador County, California. It is a California Historical Landmark.

Burson is an unincorporated community in Calaveras County, California. It lies at an elevation of 98 feet (45 m). Although unincorporated, Burson has the ZIP code of 95225.

Rancho Calaveras is a census-designated place (CDP) in Calaveras County, California, United States. The population was 5,325 at the 2010 census, up from 4,182 at the 2000 census.