The selected location is:

The elevation is 120 m ( 395 ft )
The gradient is: 1.8 percent
The aspect direction is: 126.1 degrees or SE
The local roughness is: 1.4 or average
The location as decimal degrees (X,Y;Z) = -73.8360, 41.0945; 120 m

The state and county are New York: Westchester County 36119
The HUC is Lower Hudson 02030101; 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. Pocantico Hills; New York: Westchester Co. -73.8360, 41.0945 at a distance of 2 m
2. Rockefeller Brook head; -73.8343, 41.0968 at a distance of 293 m
3. Pocantico Hills School; New York: Westchester Co. -73.8296, 41.0990 at a distance of 735 m
4. New Croton Aqueduct; New York: Westchester Co. -73.8432, 41.0904 at a distance of 756 m
5. Fergusons Lake; New York: Westchester Co. -73.8274, 41.0990 at a distance of 880 m
6. Kykuit Hill; New York: Westchester Co. -73.8446, 41.0895 at a distance of 910 m
7. Sleepy Hollow head; -73.8493, 41.0937 at a distance of 1120 m
8. Sleepy Hollow mouth; New York: Westchester Co. -73.8485, 41.0995 at a distance of 1186 m
9. Rockefeller Brook mouth; New York: Westchester Co. -73.8490, 41.1004 at a distance of 1272 m
10. Tarrytown Reservoir; New York: Westchester Co. -73.8324, 41.0829, ( 252 ft ) at a distance of 1324 m

The 7.5 minute series topographic maps for that area