page_title: List of rivers of Orange County, California
section_title: Santa Ana River watershed
hierarchical_section_title: List of rivers of Orange County, California / Santa Ana River watershed
caption_attribution_description: English: Brookhurst &amp; Pacific Coast Hwy in Huntington Beach CA photo D Ramey Logan - please provide name credit if used in any media
context_page_description: This is a list of rivers of Orange County, California, part of the Greater Los Angeles Area in Southern California.The Santa Ana River and San Gabriel River are the largest in Orange County; their extensive watersheds extend into neighboring Los Angeles, Riverside and San Bernardino Counties. A number of smaller streams originate in or flow largely within Orange County, chief of which are Coyote Creek, Santiago Creek, San Diego Creek, Aliso Creek, and San Juan Creek. Many streams in the area received their names from Spanish explorers in the 18th century.
  With the exception of mountain regions, Orange County is characterized by dense suburban and urban development. To protect the county's 3 million people from floods, many streams were channelized and/or lined with concrete in the 20th century. In addition, some wholly artificial streams were constructed to drain the large coastal wetlands and floodplains in north Orange County, namely in the Anaheim Bay watershed.
context_section_description: The 100-mile (160 km)-long Santa Ana River begins in San Bernardino County and flows through Riverside County before bisecting northern Orange County.
  Santa Ana River
  Talbert Channel
  Huntington Beach Channel
  Greenville-Banning Channel
  Santiago Creek
  Handy Creek
  Weir Canyon
  Fremont Canyon
  Limestone Canyon
  Black Star Canyon
  Silverado Canyon
  Ladd Canyon
  Williams Canyon
  Pancho Canyon
  Modjeska Canyon
  Harding Canyon
  Bear Trap Canyon
  Walnut Canyon
  Blue Mud Canyon
  Gypsum Canyon
  Coal Canyon
caption: Huntington Beach and the Huntington Beach Channel
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