The selected location is:

The elevation is 0 m ( 0 ft )
The gradient is: 0.0 percent
There is no aspect direction.
The local roughness is: 0.0 or flat
The location as decimal degrees (X,Y;Z) = -89.3754, 29.2483; 0 m

The state and county are Louisiana: Plaquemines Parish 22075
The HUC is Lower Mississippi-New Orleans 08090100; Place point in HUC
The Omernik ecoregion is Mississippi Alluvial Plain (less typical) 73
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Nearby named places (in order by distance)

1. Tante Phine, Pass head; -89.3754, 29.2483 at a distance of 5 m
2. Dgs Heliport; Louisiana: Plaquemines Parish -89.3851, 29.2419 at a distance of 1175 m
3. Conoco Incorporated Venice Heliport; Louisiana: Plaquemines Parish -89.3551, 29.2594, ( 3 ft ) at a distance of 2330 m
4. Full Gospel Church; Louisiana: Plaquemines Parish -89.3607, 29.2649 at a distance of 2334 m
5. Chevron USA Incorporated Seaplane Base; Louisiana: Plaquemines Parish -89.3548, 29.2605 at a distance of 2421 m
6. Chawee, Bayou; Louisiana: Plaquemines Parish -89.4025, 29.2385 at a distance of 2853 m
7. Red Pass head; -89.3548, 29.2669 at a distance of 2879 m
8. Orchard; Louisiana: Plaquemines Parish -89.3545, 29.2688, ( 6 ft ) at a distance of 3052 m
9. Shell Venice Terminal Heliport; Louisiana: Plaquemines Parish -89.3545, 29.2708, ( 5 ft ) at a distance of 3221 m
10. Porpoise Bayou; Louisiana: Plaquemines Parish -89.4007, 29.2674 at a distance of 3243 m

The 7.5 minute series topographic maps for that area