Conesville is a town in Schoharie County, New York, United States.

The Town of Conesville is in the southeast corner of the county and is approximately 40 miles southwest of Albany.

The town is named after Jonathan Cone, an early resident.

Conesville was first settled around 1764 on a patent issued in 1754.The town was formed in 1836 from the Town of Durham (now in Greene County) and the Town of Broome.

The town is home to some of the oldest plant fossils on earth, the Gilboa fossils, the fossils are said to be over 380 million years old.

Little known fact: Conesville was a Gold-rush town many years ago! Gold and silver mines located in the mountains, were shut down because the high water table, this made mining prohibitive. Despite efforts, only small amounts were ever discovered.

The Schoharie Reservoir and its watershed may be one of the smaller New York State Reservoirs, however it is the one of the largest producing watersheds in all of New York. The Schohaire Reservoir provides almost 20% of the water to New York City. Next time you hear someone say New York City has the best tap water anywhere, keep in mind that a lot of it comes from Conesville, and just how pure it must be at its source.

According to the Census Bureau the town has a total area of 39.9 square miles (103 km2), of which, 39.5 square miles (102 km2) of it is land and 0.4 square miles (1.0 km2) of it (1.00%) is water. The south town line is located at the border of Greene County. The east town-line borders Greene County, the northern-most part borders Albany County.

The Manor Kill is a stream, fed by the Bear Kill, flowing westward into the Schoharie Reservoir near West Conesville.

New York State Route 990V is an east west highway running from the community of Conesville to the west town line at the Schoharie Reservoir.

As of 2000, there were 726 people, 304 households, and 214 families residing in the town. The population density was 18.4 people per square mile. There were 777 housing units at an average density of 19.7 per square mile.

Note – ‘Gilboa’ is utilized instead of Conesville for all postal addresses and GPS entry destinations.