The selected location is:

The elevation is 73 m ( 238 ft )
The gradient is: 13.6 percent
The aspect direction is: 71.8 degrees or E
The local roughness is: 7.4 or average
The location as decimal degrees (X,Y;Z) = -73.8324, 41.0829; 73 m

The state and county are New York: Westchester County 36119
The HUC is Bronx 02030102; Place point in HUC
The Omernik ecoregion is Northeastern Coastal Zone (more typical) 59
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Nearby named places (in order by distance)

1. Tarrytown Reservoir; New York: Westchester Co. -73.8324, 41.0829, ( 252 ft ) at a distance of 1 m
2. Eastview; New York: Westchester Co. -73.8293, 41.0815 at a distance of 305 m
3. New Croton Aqueduct; New York: Westchester Co. -73.8432, 41.0904 at a distance of 1230 m
4. Kykuit Hill; New York: Westchester Co. -73.8446, 41.0895 at a distance of 1259 m
5. Pocantico Hills; New York: Westchester Co. -73.8360, 41.0945 at a distance of 1322 m
6. Rockefeller Brook head; -73.8343, 41.0968 at a distance of 1551 m
7. Hackley School; New York: Westchester Co. -73.8427, 41.0704 at a distance of 1636 m
8. Marymount Junior School; New York: Westchester Co. -73.8518, 41.0809 at a distance of 1644 m
9. Marymount College; New York: Westchester Co. -73.8504, 41.0768 at a distance of 1656 m
10. Beaver Hill; New York: Westchester Co. -73.8279, 41.0673 at a distance of 1774 m

The 7.5 minute series topographic maps for that area