The selected location is:

The elevation is 6 m ( 19 ft )
The gradient is: 1.2 percent
The aspect direction is: 42.6 degrees or NE
The local roughness is: 1.7 or average
The location as decimal degrees (X,Y;Z) = -90.3754, 29.9505; 6 m

The state and county are Louisiana: St. Charles Parish 22089
The HUC is Lower Mississippi-New Orleans 08090100; Place point in HUC
The Omernik ecoregion is Mississippi Alluvial Plain (more typical) 73
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Nearby named places (in order by distance)

1. Saint Charles Church; Louisiana: St. Charles Parish -90.3754, 29.9505, ( 12 ft ) at a distance of 2 m
2. Saint Charles Cemetery; Louisiana: St. Charles Parish -90.3762, 29.9508 at a distance of 83 m
3. Saint Charles Borromeo School; Louisiana: St. Charles Parish -90.3745, 29.9499, ( 16 ft ) at a distance of 110 m
4. Destrehan High School (historical); Louisiana: St. Charles Parish -90.3726, 29.9494, ( 16 ft ) at a distance of 298 m
5. Harry M Hurst Middle School; Louisiana: St. Charles Parish -90.3715, 29.9502, ( 10 ft ) at a distance of 379 m
6. Destrehan Post Office; Louisiana: St. Charles Parish -90.3820, 29.9521 at a distance of 660 m
7. Saint Charles Parish Park; Louisiana: St. Charles Parish -90.3690, 29.9483 at a distance of 666 m
8. Ormand Landing; Louisiana: St. Charles Parish -90.3848, 29.9524 at a distance of 930 m
9. Destrehan High School; Louisiana: St. Charles Parish -90.3826, 29.9580, ( 8 ft ) at a distance of 1083 m
10. Twentysix Mile Point; Louisiana: St. Charles Parish -90.3876, 29.9533, ( 5 ft ) at a distance of 1217 m

The 7.5 minute series topographic maps for that area