The Singapore River is a river in Singapore. It flows from the Central Area of Singapore to the ocean. It is 11,000 metres (6.8 mi) long. Its mouth was used as a port. It used to be a very busy place in the spice trade. It became very polluted and was cleaned up from 1977 to 1987.
- "Heritage Trails :: Singapore River Trail :: Boat Quay". National Heritage Board. http://heritagetrails.sg/content/521/Boat_Quay.html. Retrieved 24 April 2011.