Nabão River

{{Short description|River in northern Portugal}}

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File:Rio Nabão - Tomar - Portugal (27834806835).jpg

The Nabão ({{IPA|pt|nɐˈbɐ̃w}}) is a river in Portugal. It rises in Ansião and passes through the city of Tomar before joining the Zêzere River — a course of about {{convert|66|km|mi}}. It was known to the Romans as Nabanus. The swift waters of the Nabão once fed the factories of Tomar.{{cite web |title=Rio Nabão, Portugal |url=http://www.gekkoportugal.com/rio-nabao-portugal-river-nabao.htm |publisher=gekkoportugal.com |url-status=live |accessdate=7 February 2013 |archive-url=https://web.archive.org/web/20130603183300/http://www.gekkoportugal.com:80/rio-nabao-portugal-river-nabao.htm |archive-date=3 June 2013}}

The river is associated with the tale of Santa Iria.

In 2013, development work in Tomar includes construction of road and foot bridges, promenades and gardens.