The Stockton Arch is a geologic feature underlying the Central Valley in California in the vicinity of the delta of the Sacramento and San Joaquin Rivers, near the city of Stockton. The Stockton Arch is an upwarping of the crust beneath the thick sediments of the Central Valley, and is regarded as the subsurface separation between the Sacramento River basin and the San Joaquin River basin.

This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these template messages) This article relies largely or entirely on a single source. (September 2023) This article includes a list of references, related reading, or external links, but its sources remain unclear because it lacks inline citations. (December 2023)

• The Cenozoic Evolution of the San Joaquin Valley, California, by J.A. Bartow, published by the U.S. Geological Survey, Professional Paper #1501 (1991)

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