Editing Grantham, New Hampshire (section)

==Geography==
{{stack|[[File:Full Lake View WEB Size.jpg|thumb|right|Eastman Pond, August 2006]]}}
According to the [[United States Census Bureau]], the town has a total area of {{convert|72.6|sqkm|order=flip}}, of which {{convert|70.5|sqkm|order=flip}} are land and {{convert|2.2|sqkm|order=flip}} are water, comprising 2.97% of the town.<ref name="CenPopGazetteer2021"/> Grantham is drained by the [[North Branch Sugar River]] and its tributaries Sawyer Brook, [[Stocker Brook]], and Eastman Brook. [[Eastman Pond]] lies at the head of Eastman Brook and serves as the focal point of the Eastman planned community.<ref>[https://eastmannh.org/ Eastman Community Association]</ref> Other water bodies in the town include Anderson and Butternut Ponds. Grantham lies fully within the [[Connecticut River]] [[Drainage basin|watershed]].<ref name=watershed>{{cite book |title=Water Use in New Hampshire: An Activities Guide for Teachers |url=http://nh.water.usgs.gov/Publications/nh.intro.html |last=Foster |first=Debra H. |author2=Batorfalvy, Tatianna N. |author3= Medalie, Laura  |publisher=U.S. Department of the Interior and U.S. Geological Survey |year=1995}}</ref> The highest point in town is Grantham Mountain, {{convert|2660|ft|m}} above [[sea level]], a peak along the ridge of Croydon Mountain, which follows the western edge of the town.

[[Interstate 89]] crosses the town, leading northwest to [[Lebanon, New Hampshire|Lebanon]] and southeast to [[Concord, New Hampshire|Concord]]. Access is from Exit 13 ([[New Hampshire Route 10]]) near the center of town and from Exit 14 at the northern border of town. Route 10 leads south to [[Newport (CDP), New Hampshire|Newport]], the [[county seat]], and north with I-89 to Lebanon.

The town is home to the Grantham Village School (opened 1981) and Dunbar Free Library (opened 1903).

===Adjacent municipalities===
* [[Enfield, New Hampshire|Enfield]] (north)
* [[Springfield, New Hampshire|Springfield]] (east)
* [[Croydon, New Hampshire|Croydon]] (south)
* [[Plainfield, New Hampshire|Plainfield]] (west)