The geographically small island nation of Singapore has few rivers of significant length or width. The longest of these, the Kallang River, is only in length. The Singapore River, perhaps the most famous in the country, is of a short length as well. However, the country's tropical climate and heavy rainfall require a very comprehensive network of natural draining systems, much of which has become a concrete system as urbanisation spread across the island.
Natural rivers
RiverDrainage area(s)River mouthLocationAlexandra CanalBukit Merah, TanglinNo river mouth. "Alexandra Canal" is the name given to the upstream of the Singapore River.Geylang CanalGeylangNo river mouth. "Geylang Canal" is the name given to the upstream of the Geylang River.Geylang RiverGeylang, KallangKallang BasinKallang RiverBishan, Central Water Catchment, Kallang, Toa PayohKallang BasinPelton CanalGeylang, KallangKallang RiverRochor CanalKallang, RochorNo river mouth. "Rochor Canal" is the name given to the upstream of the Rochor River.Rochor RiverKallangKallang BasinSiglap CanalBedok, Marine ParadeSingapore StraitsSingapore RiverDowntown Core, Singapore River Planning AreaMarina BayStamford Canal (formerly Sungei Brass Bassa)Central Area (largely underground)Sungei ApekWestern Water CatchmentKranji ReservoirSungei Api ApiPasir Ris, Paya Lebar, TampinesSerangoon HarbourSungei BedokBedok, TampinesSingapore StraitsSungei Buloh BesarLim Chu KangStraits of JohorSungei CinaWoodlandsStraits of JohorSungei Choa Chu KangWestern Water CatchmentPoyan ReservoirSungei JurongJurong EastSelat JurongSungei KangkarLim Chu Kang, Western Water CatchmentKranji ReservoirSungei KetapangTampinesSungei BedokSungei Khatib BongsuSimpang, YishunStraits of JohorSungei LancharBoon Lay, Jurong WestSelat JurongSungei MandaiSungei KadutStraits of JohorSungei PandanBukit Batok, Clementi, Jurong EastSelat JurongSungei Peng SiangChoa Chu Kang, Tengah, Western Water CatchmentKranji ReservoirSungei Pinang (Yishun)YishunLower Seletar ReservoirSungei Pinang (Hougang)HougangSungei SerangoonSungei PunggolHougang, Punggol, Seletar, Sengkang, SerangoonStraits of JohorSungei SeletarYishunLower Seletar ReservoirSungei Seletar Simpang KiriAng Mo Kio, YishunLower Seletar ReservoirSungei SembawangSembawangStraits of JohorSungei SerangoonHougang, Pasir Ris, Punggol, SengkangSerangoon HarbourSungei SimpangSimpangStraits of JohorSungei Simpang Mak WaiLim Chu Kang, Western Water CatchmentKranji ReservoirSungei TampinesPasir Ris, TampinesSerangoon HarbourSungei TengahWestern Water CatchmentKranji ReservoirSungei Tho Pek KongWestern Water CatchmentPoyan ReservoirSungei Ulu PandanBukit Timah, Clementi, QueenstownSungei PandanSungei WhampoaKallang, NovenaKallang River
On offshore islands
Pulau Tekong Sungei Belang Sungei Chek Mat Nah Sungei Pasir Sungei Permatang Sungei Sanyongkong Sungei Seminei Sungei Unum
Pulau Ubin Sungei Asam Sungei Batu Kekek Sungei Besar Sungei Jelutong Sungei Mamam Sungei Puaka Sungei Pulau Ubin Sungei Teris Sungei Tiga Sungei Wat Siam
Former rivers Dammed and flooded Sungei Chik Abu - flooded and part of Lower Seletar Reservoir Sungei Puaka - flooded and part of Lower Seletar Reservoir Sungei Kranji - now the Kranji Reservoir Sungei Murai - now the Murai Reservoir Sungei Poyan - now the Poyan Reservoir Sungei Sarimbun - now the Sarimbun Reservoir Sungei Sopok - flooded and part of Lower Seletar Reservoir Sungei Tengeh - now the Tengeh Reservoir
References