Lake Del Valle

Del Valle Regional Park is a part of the East Bay Regional Park District (EBRPD) in an unincorporated region of Alameda County, California, 10 miles (16 km) south of the city of Livermore. The park covers 4,316 acres (~17.47 km2., ~6.74 sq. mi.).

Cresta Blanca Winery was one of the original Livermore Valley wineries. It was founded by Charles Wetmore in 1882 with cuttings of Sauvignon blanc from Chateau d'Yquem and other top Bordeaux properties. Its first vintage, a dry white wine in 1884 won Grand Prize at the 1889 Paris Exposition, becoming the first California wine to win a competition in France. The victory also assured the future of the California wine industry, which had fallen upon hard times.

Wente Vineyards is a winery in Livermore, California, that is "the oldest continuously operating, family-owned winery in the United States." The Wente Estate is registered as a California Historical Landmark #957.

Mud Springs, is a spring on Crane Ridge located just above the Arroyo Mocho in Alameda County, California. Elevation of the spring is 1,427 feet (435 meters).

KKIQ (101.7 FM) is a commercial adult contemporary radio station located in Pleasanton, California, broadcasting to the East Bay area with a main focus on Southern Alameda County. Their slogan is "Your Hometown Station!". KKIQ is owned by Alpha Media, which acquired the station in 2015 and also owns KKDV 92.1 FM in Walnut Creek and KUIC 95.3 FM in Vacaville. Both KKIQ and KKDV operate from studios located in Pleasanton near Stoneridge Mall, and KKIQ has a transmitter site southeast of Livermore. It also utilizes two boosters to boost coverage: one in Hayward and one in Tracy.

The Livermore Valley AVA is an American Viticultural Area in Alameda County, California, surrounding the city of Livermore in the Tri-Valley region. Both the AVA and the city are named after Robert Livermore, a landowner whose holdings encompassed the valley. The groundwater basin underlying the valley is the Livermore Basin, the largest sub-unit of which is the Mocho Subbasin. The Livermore Basin is one of five aquifers in the San Francisco Bay Area that supply most of the metropolitan Bay Area population. The entire Livermore Basin aquifer faces a concern over elevated total dissolved solids by the year 2020 due to an expanding human population leading to higher rates of return water flows to the aquifer containing certain salts.

Concannon Vineyard is the second-largest winery in the Livermore Valley of California, producing around 30,000 cases annually. It is well known for its Petite Sirah and Concannon was the first winery to bottle this grape as a varietal wine in 1961. Prior to 1961, the petite sirah grape was produced worldwide as a blend wine. It also produces several other varieties of wine, including Chardonnay and Cabernet Sauvingnon. Concannon is owned by The Wine Group.

Mendenhall Springs is a set of springs that was turned into a resort in Alameda County, California. It is located 9 miles (14 km) southeast of Livermore, at an elevation of 1818 feet (554 m). William M. Mendenhall established a health spa here in the 1870s, which by 1909 had accommodations for 75 people, from springs that had been diverted through tunnels originally bored for gold prospecting.

Livermore Sanitarium was a private sanitarium and psychiatric hospital, located in Livermore, California, in operation from 1894 until 1965. The facility specialized the treatment and research of alcoholism and mental disorders. During this time period the Livermore Valley was considered an ideal climate for optimizing one's health.

Arroyo del Valle Sanitarium, originally opened as Del Valle Preventorium, was a sanitarium located in Livermore, California, United States that specialized in the treatment of tuberculosis. The hospital campus originally spanned over 160 acres. Upon opening in 1918, the hospital had a capacity of 280 patients. This was later expanded to 300. The buildings were designed by architect Henry H. Meyers of San Francisco. Originally opened as a private institution, Alameda County took over operations of the hospital in 1925. In 1919, Dr. Chessley Bush was named medical superintendent of the sanitarium. He held the position for more than 30 years. In 1923, Del Valle Farm was opened next to the sanatorium as a children's tuberculosis ward. The farm was eventually incorporated into the sanitarium in the 1920s. In 1949, James T. Duncan named the medical superintendent of the sanitarium until its closure. He had previously served as the director of Stony Brook Sanatorium in Kern County before moving to Livermore. The sanitarium went into decline after Streptomycin became the main treatment for tuberculosis during the 1940s and 1950s. By 1959, the sanitarium only had 148 patients. Closure of the asylum commenced on July 1, 1960, after authorization of the Alameda County Board of Supervisors, with the last patients being removed in August 1960. Upon closure the remaining 90 patients were moved to the tuberculosis ward at Fairmont Hospital in San Leandro.

The Centennial Light is the world's longest-lasting light bulb, burning since 1901, and almost never turned off. It is located at 4550 East Avenue, Livermore, California, and maintained by the Livermore-Pleasanton Fire Department. Due to its longevity, the bulb has been noted by The Guinness Book of World Records, Ripley's Believe It or Not!, and General Electric.

Rancho Las Positas was a 8,880-acre (35.9 km2) Mexican land grant in present-day Alameda County, California given in 1839 by governor Juan Alvarado to Robert Livermore and José Noriega. Las Positas means "little watering holes" in Spanish. The rancho included the present-day city of Livermore.