
Sungei Serangoon (
Malay for Serangoon River;
Chinese: 实龙岗河) is a
river
A river is a natural flowing watercourse, usually freshwater
Fresh water or freshwater is any naturally occurring liquid or frozen water containing low concentrations of dissolved salts and other total dissolved solids. Although the ...
in the
north-eastern part of Singapore. The 8-kilometre river starts as a
canal
Canals or artificial waterways are waterways or engineered channels built for drainage management (e.g. flood control and irrigation) or for conveyancing water transport vehicles (e.g. water taxi). They carry free, calm surface fl ...
near Tampines Road, and flows through
Hougang, where it is joined by tributary Sungei Pinang just before
Sengkang
Sengkang (, ta, செங்காங்) is a planning area and residential town located in the North-East Region of Singapore. The town is the second most populous in the region, being home to 249,370 residents in 2020. Sengkang shares ...
, before flowing towards
Lorong Halus, where it is joined by another tributary Sungei Blukar, before emptying into the
Serangoon Harbour. The river is also known as the Serangoon Estuary. Since 2011, the river has been converted into a reservoir - Serangoon Reservoir.
Ecology

Although sections of the river have been canalized at Hougang and Lorong Halus, wildlife at the river is relatively unaffected. Birds like
heron
The herons are long-legged, long-necked, freshwater and coastal birds in the family Ardeidae, with 72 recognised species, some of which are referred to as egrets or bitterns rather than herons. Members of the genera ''Botaurus'' and ''Ixobrychu ...
s,
tern
Terns are seabirds in the family Laridae that have a worldwide distribution and are normally found near the sea, rivers, or wetlands. Terns are treated as a subgroup of the family Laridae which includes gulls and skimmers and consists o ...
s,
kingfisher
Kingfishers are a family, the Alcedinidae, of small to medium-sized, brightly colored birds in the order Coraciiformes. They have a cosmopolitan distribution, with most species found in the tropical regions of Africa, Asia, and Oceania ...
s can still be found at the river. The area near Lorong Halus is considered one of the best
bird-watching
Birdwatching, or birding, is the observing of birds, either as a recreational activity or as a form of citizen science. A birdwatcher may observe by using their naked eye, by using a visual enhancement device like binoculars or a telescope, by ...
spots in Singapore.
Monitor lizard
Monitor lizards are lizards in the genus ''Varanus,'' the only extant genus in the family Varanidae. They are native to Africa, Asia, and Oceania, and one species is also found in the Americas as an invasive species. About 80 species are reco ...
s and sometimes
otters can also be found near the
banks.
The stretch of the river near Hougang has a 2.2 km
jogging
Jogging is a form of trotting or running at a slow or leisurely pace. The main intention is to increase physical fitness with less stress on the body than from faster running but more than walking, or to maintain a steady speed for longer periods ...
track (known as the Serangoon Park Connector) running along its western bank. Although this stretch is close to residential areas, a variety of garden, grassland and estuarine birds can still be found there.
Developments
A number of development projects at Sungei Serangoon had been carried out, which include the construction of an overhead bridge linking Old Tampines Road and the
KPE expressway to Sengkang and the metal bridge linking Punggol East and Lorong Halus.
Another significant project was the damming of the
estuary
An estuary is a partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea. Estuaries form a transition zone between river environments and maritime environm ...
of Sungei Serangoon to form a
reservoir
A reservoir (; from French ''réservoir'' ) is an enlarged lake behind a dam. Such a dam may be either artificial, built to store fresh water or it may be a natural formation.
Reservoirs can be created in a number of ways, including control ...
in 2011.
See also
*
Serangoon
Serangoon () is a planning area and residential town located in the North-East Region of Singapore.
Serangoon is bordered by these planning areas – Sengkang to the north, Hougang to the east, Ang Mo Kio and Bishan to the west, as well ...
*
Sungei Punggol
Sungei Punggol ( Malay for Punggol River; Chinese: 榜鵝河; Pinyin: Bǎng'é Hé) is a river located within the North-East Region in Singapore.
Geography
Other than Punggol New Town, the river flows through 7 other towns in the late 1990s ...
References
Rivers of Singapore
Hougang
Pasir Ris
Punggol
Sengkang
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