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This is a list of rivers of Orange County, California, which is a small coastal region in the southern portion of the U.S. state of California. There are thirteen distinct drainage areas in the watershed and eight large streams, most of which were formerly free-flowing but intermittent. In the inland portions of the county, streams typically flow into the San Gabriel River or Santa Ana River, both of which begin further inland and flow into Orange County as they near their mouths. Closer to the coast, many streams begin in the San Joaquin Hills or Santa Ana Mountains and flow directly into the sea. Most of the waterways in the area received their name from Spanish conquistadors in the 18th century. The county is heavily developed and many streams are now channelized and polluted. The San Gabriel River delineates the northwestern boundary of the county, and is fed by tributaries such as Coyote Creek, which drains northwestern Orange County. All along the San Joaquin Hills, which extend from the mouth of Newport Bay south to San Diego County, small canyons drain into the Pacific, and San Diego Creek is the primary watercourse feeding Newport Bay, draining a portion of central Orange County, Further south Aliso Creek drains southwest into the sea, and San Juan Creek and its major tributary, Trabuco Creek drain much of the remaining southern part. The slice of land that lies south of San Juan Creek's outflow is drained by two streams, Prima and Segunda Deshecha Cañada. If a creek passes through a reservoir or lake, that is included. Lakes at the source of a stream are not listed, unless noted. If a creek has a name of Spanish origin, then the translation of that name is given in the Translation section. ==North of San Diego Creek== ''Some rivers begin in Orange County and drain into the San Gabriel River, which forms most of the boundary of Orange and Los Angeles counties.'' *Coyote Creek * *Carbon Creek * *Moody Creek * *Fullerton Creek * * *Fullerton Reservoir (instream, flood control) * *Brea Creek * * *Brea Reservoir (instream, flood control) * * *San Jose Flood Diversion Channel * * *Tonner Canyon * *North Fork Coyote Creek * * *Miranda Creek * *Imperial Creek ''These two drainage channels abut the mouth of the Santa Ana River:'' *Talbert Channel *Huntington Beach Channel ''Some rivers of Orange County flow into the Santa Ana River, which flows from San Bernardino County and Riverside County.'' *Santiago Creek * *Handy Creek * *Irvine Lake(Instream water supply, recreation and flood control reservoir) * * *Limestone Canyon Creek * *Black Star Canyon Creek * *Baker Canyon Creek * *Silverado Canyon * * *Ladd Canyon * * *White Canyon * * *Halfway Canyon * * *Pine Canyon * * *Lost Woman Canyon * * *Spruce Canyon * *Williams Canyon * * *Spring Canyon * *Pancho Canyon * *Harding Creek * * *Modjeska Creek(Named for and flows from Modjeska Peak) * * * *Grotto Spring(Forms the headwaters of Modjeska Creek) * *Bear Trap Canyon Creek * *Jamison Spring(Located at Santiago Creek's headwaters) Image:MoodyCreek.jpg|Moody Creek, a small tributary of Coyote Creek Image:Lake Irvine CA USA.jpg|Irvine Lake, a reservoir on Santiago Creek Image:Black Star Canyon Road.JPG|The mouth of Black Star Canyon 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「List of rivers of Orange County, California」の詳細全文を読む スポンサード リンク
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