Alameda County topographic map

In prehistoric times, particularly the Miocene epoch, portions of the landforms now in the area (then marshy and grassy savanna) were populated by a wide range of now extinct mammals, known in modern times by the fossil remains excavated in the southern part of the county. In the northern part of the county,…

Average elevation: 108 m

Average elevation: 99 m

Average elevation: 241 m

Average elevation: 3 m

Average elevation: 55 m

Encinitas lies on a rugged coastal terrace. The city is bisected by a low-lying coastal ridge that separates New and Old Encinitas. In the north of the city, the coast rises in elevation and the land is raised up in the form of many coastal bluffs, which are subject to collapsing on the narrow beach. The city…

Average elevation: 32 m

Average elevation: 42 m

Average elevation: 103 m

Average elevation: 197 m

The climate in San Diego, like most of Southern California, often varies significantly over short geographical distances, resulting in microclimates. In San Diego, this is mostly because of the city's topography (the Bay, and the numerous hills, mountains, and canyons). Frequently, particularly during the "May…

Average elevation: 125 m

Average elevation: 608 m

Average elevation: 63 m

Marina is a city in Monterey County, California, United States. As of the 2020 census, the population was 22,359, up from 19,718 in 2010. The city is located along the central coast of California, 8 miles (13 km) west of Salinas and 8 miles (13 km) northeast of Monterey. It is on California State Route 1…

Average elevation: 17 m

Average elevation: 54 m

Average elevation: 264 m

Santa Ana is nested on flat, low-lying plains with little land elevation change. Running through the west end of the city is the mostly channelized Santa Ana River, which is also largely seasonal due to the construction of the Prado Dam and Seven Oaks Dam. The river has caused several severe floods in the 20th…

Average elevation: 30 m

Average elevation: 179 m

Average elevation: 230 m

Average elevation: 76 m

Average elevation: 12 m

Average elevation: 144 m

Average elevation: 4 m

Average elevation: 163 m

The city marina is on one of three islands at a narrow point on the 13-mile-long (21 km) bay and increases in elevation slightly as it spreads north, south, and especially to the east. The city gently encroaches at least two miles (3.2 km) eastward into primarily Redwood and Douglas-fir second growth forests.…

Average elevation: 18 m

San Rafael has a wide diversity of natural habitats from forests at the higher elevations to marshland and estuarine settings. Its marshes are home to the endangered species salt marsh harvest mouse. There are also riparian areas including the San Rafael Creek and Miller Creek corridors.

Average elevation: 78 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: 117 m

Elk Creek is a census-designated place in Glenn County, California. It is located 19 miles (31 km) northwest of Willows, at an elevation of 745 feet (227 m).

Average elevation: 258 m

Average elevation: 2,222 m

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 is at an elevation of 69 feet (21 m).

Average elevation: 91 m

Average elevation: 1,644 m

Average elevation: 13 m

Average elevation: 18 m

Average elevation: 66 m

Average elevation: 3,888 m