漢德百科全書 | 汉德百科全书
Geography
***IMF Developed countries*World's Most Livable Cities*World overviewRivers in AfricaRivers in North AmericaRivers in South AmericaRivers in asiaRivers in EuropeRivers in OceaniaMountains in AfricaMountains in AntarcticaMountains in AsiaMountains in EuropeMountains in North AmericaMountains in OceaniaMountains in South AmericaGlacierIslands in AfricaIslands in AsiaIslands in EuropeIslands in Central AmericaIslands in North AmericaIslands in OceaniaIslands in South AmericaCaribbeanKarstArtificial water channels in the worldCountries of africaNorth American countriesCountries of OceaniaCountries of South AmericaStrait of the worldTunnel of the earthVulcanWaterfallWest Indies
Yongding-Fluss
永定河（满语：ᡝᠨ᠋ᡨᡝ᠋ᡥᡝᠮᡝ ᡨ᠋ᠣᡴ᠋ᡨ᠋ᠣᡥᠣ ᠪᡳᡵᠠ，穆麟德转写：Enteheme Toktoho bira），古称㶟水，隋代称桑干河，金代称卢沟，元代称浑河，旧名无定河，海河流域七大水系之一，是河北系的最大河流。流域面积47,016平方千米，其中山区面积45,063平方千米，平原面积1,953平方千米。永定河全长747公里，流经内蒙古、山西、河北三省区、北京、天津两个直辖市、共43个县市。全流域面积4.7万平方公里。
