Editing Nelson, New York (section)

==Geography==
Nelson is southwest of the geographic center of Madison County. [[U.S. Route 20 in New York|US Route 20]] passes across the town, leading east {{convert|7|mi|0}} to [[Morrisville, New York|Morrisville]] and west {{convert|4|mi|0}} to [[Cazenovia (village), New York|Cazenovia]].

According to the [[U.S. Census Bureau]], the town has a total area of {{convert|44.1|sqmi|km2}}, of which {{convert|43.1|sqmi|km2}}  is land and {{convert|1.0|sqmi|km2}}, or 2.26%, is water.<ref name="CenPopGazetteer2024"/> [[Tuscarora Lake]] is in the south-central part of the town, draining northwest toward [[Chittenango Creek]], a north-flowing stream that leads to [[Oneida Lake]], part of the [[Lake Ontario]]/[[St. Lawrence River]] watershed. [[Eaton Reservoir]] is in the eastern part of the town, draining into Eaton Creek, a tributary of the [[Chenango River]] that leads to the [[Susquehanna River]] and ultimately to [[Chesapeake Bay]].