San Joaquin River
The San Joaquin River ( SAN whah-KEEN; Spanish: Río San Joaquín [ˈri.o saŋ xoaˈkin]) is the longest river of Central California. The 366-mile (589 km) long river starts in the high Sierra Nevada and flows through the rich agricultural region of the northern San Joaquin Valley before reaching Suisun Bay, San Francisco Bay, and the Pacific Ocean. An important source of irrigation water as well as a wildlife corridor, the San Joaquin is among the most heavily dammed and diverted of California's rivers.
People have inhabited the San Joaquin Valley for more than 8,000 years, and it was one of t...
🗺 Explore map
Click any point for details. Sections without stored geometry are drawn as straight put-in → take-out lines — actual courses follow the river.