Brentwood topographic map

According to the United States Census Bureau, the city has a total area of 3.7 square miles (9.6 km2), all of it land. The city ranges in elevation from 20 to 934 feet, with an average elevation of 69 feet (21 m).

Average elevation: 91 m

Average elevation: 50 m

Walnut Creek's warm summer Mediterranean climate (Köppen climate classification Csb) is typical of California's interior valleys. In summer, high pressure results in almost unbroken sunshine and virtually no precipitation. Days start out cool but quickly warm up, with high temperatures normally in the 80s…

Average elevation: 119 m

Average elevation: 79 m

The topography of San Ramon is varied, featuring a mix of the rolling hills of the Diablo Range and the flatter basin of the San Ramon Valley. The city is predominantly urban and residential with many new housing developments; however, much of the land around the city's perimeter regions remains undeveloped,…

Average elevation: 210 m

Average elevation: 179 m

Average elevation: 300 m

The area is characterized by a warm-summer Mediterranean climate (Köppen climate classification Csb) with cool, rainy winters and warm, dry summers. Because Orinda is located in a hilly area, microclimates often dominate temperature differences in short distances. The Oakland Hills often block the cool foggy…

Average elevation: 246 m

Average elevation: 85 m

Average elevation: 20 m

Average elevation: 95 m

Average elevation: 822 m

Average elevation: 13 m