The selected location is:

The elevation is 52 m ( 171 ft )
The gradient is: 2.0 percent
The aspect direction is: 257.4 degrees or W
The local roughness is: 1.1 or average
The location as decimal degrees (X,Y;Z) = -71.4078, 42.5237; 52 m

The state and county are Massachusetts: Middlesex County 25017
The HUC is Concord 01070005; 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. Nashoba Club; Massachusetts: Middlesex Co. -71.4078, 42.5237 at a distance of 1 m
2. Butter Brook mouth; Massachusetts: Middlesex Co. -71.4062, 42.5234 at a distance of 135 m
3. Forest Cemetery; Massachusetts: Middlesex Co. -71.4006, 42.5237 at a distance of 591 m
4. North Acton; Massachusetts: Middlesex Co. -71.4120, 42.5126, ( 171 ft ) at a distance of 1281 m
5. Nashoba Brook Reservoir; Massachusetts: Middlesex Co. -71.4045, 42.5101 at a distance of 1536 m
6. Bellows Farm Mill Dam Number 1; Massachusetts: Middlesex Co. -71.4045, 42.5101 at a distance of 1536 m
7. Carlisle Station; Massachusetts: Middlesex Co. -71.3970, 42.5362, ( 210 ft ) at a distance of 1647 m
8. Nonset Brook; Massachusetts: Middlesex Co. -71.4231, 42.5334 at a distance of 1655 m
9. Putneys (historical); Massachusetts: Middlesex Co. -71.4295, 42.5187 at a distance of 1868 m
10. Myers Hill; Massachusetts: Middlesex Co. -71.4176, 42.5062, ( 310 ft ) at a distance of 2105 m

The 7.5 minute series topographic maps for that area