California Central Valley Geologic Map

The Central Valley is a broad, elongated, flat valley that dominates the interior of California. It is 40–60 mi wide and runs approximately 450 mi from north-northwest to south-southeast, inland from and parallel to the Pacific coast of the state. It covers approximately 18,000 sq mi, about 11% of California's land area. The valley is bounded by the Coast Ranges …
The Central Valley is a broad, elongated, flat valley that dominates the interior of California. It is 40–60 mi wide and runs approximately 450 mi from north-northwest to south-southeast, inland from and parallel to the Pacific coast of the state. It covers approximately 18,000 sq mi, about 11% of California's land area. The valley is bounded by the Coast Ranges to the west and the Sierra Nevada to the east.
  • Location: California, United States
  • Length: 450 mi (720 km)
  • Width: 40 to 60 mi (64 to 97 km)
  • Area: 18,000 sq mi (47,000 km²)
  • Depth: 2,000 to 6,000 ft (610 to 1,830 m)
  • Age: 2–3 million years
  • Population centers: Sacramento, Fresno, Bakersfield, Stockton and Modesto
Data from: en.wikipedia.org