Rivers of Orange County

Orange County, California

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Rivers & Creeks of Orange County

Aliso Creek

Carbon Creek

Salt Creek

San Diego Creek

San Gabriel River

San Juan Creek

Santa Ana River

Trabuco Creek (Arroyo Trabuco)

Source: Watershed & Coastal Resources Division, County of Orange

The mainstream of the Santa Ana River is more than 100 miles long, and has more than 50 contributing tributaries. It has the largest stream system in Southern California. The headwaters for the river and its tributaries are in the San Gabriel and San Bernardino Mountains to the north and the San Gorgonio and San Jacinto Mountains to the east. The river empties to the Pacific Ocean between Huntington Beach and Newport Beach.

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