| Official Name: | Hadley's Purchase, New Hampshire |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | New Hampshire |
| Subdivision Type2: | County |
| Subdivision Name2: | Coös |
| Area Footnotes: | [1] |
| Area Total Km2: | 19.2 |
| Area Land Km2: | 19.2 |
| Area Water Km2: | 0 |
| Area Water Percent: | 0 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Total: | 0 |
| Timezone: | Eastern |
| Utc Offset: | -5 |
| Timezone Dst: | Eastern |
| Utc Offset Dst: | -4 |
| Coordinates: | 44.1283°N -71.3322°W |
| Elevation Ft: | 2550 |
| Postal Code Type: | ZIP codes |
| Area Code: | 603 |
| Blank Name: | FIPS code |
| Blank Info: | 33-007-32420 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 872009 |
Hadley's Purchase is a township located in the southernmost portion of Coös County, New Hampshire, United States. As of the 2020 census, the purchase had a population of zero.[2] The purchase lies entirely within the White Mountain National Forest.
In New Hampshire, locations, grants, townships (which are different from towns), and purchases are unincorporated portions of a county which are not part of any town and have limited self-government (if any, as many are uninhabited).
The purchase takes its name from Henry G. Hadley, who bought approximately 8000acres from the state in 1834 for $500.
According to the United States Census Bureau, the purchase has a total area of 19.2km2, all land other than streams. The highest point in the purchase is 3180feet above sea level, along its eastern border. The highest summit in Hadley's Purchase is 3119feet Mount Crawford, in the center of the purchase.
U.S. Route 302 in neighboring Hart's Location roughly parallels the southern and western limits of the purchase, passing within approximately 0.4miles to 1miles of the border.
As of the 2010 census,[3] there were no people living in the township.