Editing Pelham, New Hampshire (section)

== Geography ==
Pelham is in southern New Hampshire, in the southeastern corner of Hillsborough County. It is New Hampshire's southernmost town, and the easternmost in the county. It is {{convert|7|mi|0}} north of [[Lowell, Massachusetts]], {{convert|9|mi|0}} west of [[Lawrence, Massachusetts]], and 9 miles east of [[Nashua, New Hampshire]]. Pelham contains the southernmost point in the state of New Hampshire, at {{Coord|42|41|49|N|71|17|40|W|type:landmark}}, a location known as the "Old Boundary Pine", named for a pine tree that marked the difference in definition of the [[northern boundary of Massachusetts]]. This point is {{convert|3|mi|0}} due north of [[Pawtucket Falls (Massachusetts)|Pawtucket Falls]] in Lowell, and marks the point where the straight-line border to the west meets the 3-mile buffer defined by the [[Merrimack River]].<ref>U.S. Geological Survey. "Lowell, Massachusetts—New Hampshire" 7.5 x 15 minute quadrangle. 1987.</ref>

According to the [[U.S. Census Bureau]], the town of Pelham has a total area of {{convert|69.6|km2|order=flip}}, of which {{convert|68.2|km2|order=flip}} are land and {{convert|1.4|km2|order=flip}}, or 2.01%, are water.<ref name="CenPopGazetteer2021"/> Nearly all of the town is drained by [[Beaver Brook (Merrimack River tributary)|Beaver Brook]], which flows south to the [[Merrimack River]] in [[Lowell, Massachusetts]]. Small sections of town along its eastern border are drained by other minor tributaries of the Merrimack. The highest point in Pelham is Jeremy Hill, at {{convert|577|ft|m}} above [[sea level]] near the town's western border.

=== Adjacent municipalities ===
* [[Windham, New Hampshire|Windham]] (north)
* [[Salem, New Hampshire|Salem]] (northeast)
* [[Methuen, Massachusetts]] (east)
* [[Dracut, Massachusetts]] (south)
* [[Tyngsborough, Massachusetts]] (southwest)
* [[Hudson, New Hampshire|Hudson]] (west)