{{Use New Zealand English|date=April 2024}} {{Use dmy dates|date=July 2019}} {{Infobox river | name = Grantham River | image = | image_size = | image_caption = | source1_location = [[Hanmer Range]] | mouth_location = [[Waiau Uwha River]] | subdivision_type1 = Country | subdivision_name1 = [[New Zealand]] | length = | source1_elevation = | mouth_elevation = | discharge1_avg = | basin_size = | pushpin_map = New Zealand | pushpin_map_caption = Location of the mouth within New Zealand }}
The '''Grantham River''' is a river in the [[Canterbury, New Zealand|Canterbury]] region of [[New Zealand]]. It arises in the [[Hanmer Range]] near [[Mount Miromiro]], in the [[Hanmer Forest Park]], and flows south-east into the [[Waiau Uwha River]], which has its mouth on the [[Pacific Ocean]].<ref>{{cite book|title=Reed New Zealand Atlas|year=2004|isbn=0-7900-0952-8|editor=Peter Dowling |publisher=Reed Books|pages=map 71}}</ref>
A thermal spring on the river is undeveloped.<ref>{{cite web|url=http://www.nzgeothermal.org.nz/publications/Reports/NZGADirectHeatAssessmentReport_2006.pdf|page=28|title=An Assessment of Geothermal Direct Heat Use in New Zealand|first=Brian|last=White|publisher=New Zealand Geothermal Association|date=14 July 2006|accessdate=16 July 2009|archive-url=https://web.archive.org/web/20081014084933/http://www.nzgeothermal.org.nz/publications/Reports/NZGADirectHeatAssessmentReport_2006.pdf|archive-date=14 October 2008|url-status=dead}}</ref>
The Grantham River forms part of the Waiau Uwha catchment in North Canterbury.<ref>{{Cite web |title=Environmental monitoring data for Waiau River/Waiau Uwha |url=https://www.lawa.org.nz/explore-data/canterbury-region/river-quality/waiau-riverwaiau-uwha |access-date=2026-02-24 |website=Land, Air, Water Aotearoa (LAWA)}}</ref> It flows through predominantly natural hill country typical of the region’s braided river systems.
==See also== *[[List of rivers of New Zealand]]
==References== {{reflist}}
==External links== *[https://web.archive.org/web/20081014041929/http://www.linz.govt.nz/placenames/search/index.aspx Land Information New Zealand] - Search for Place Names
{{coord|42|34|S|172|42|E|display=title|region:NZ-CAN_type:river_source:GNS-enwiki_scale:100000}}
[[Category:Hurunui District]] [[Category:Rivers of the Canterbury Region]] [[Category:Rivers of New Zealand]]
{{CanterburyNZ-river-stub}}