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) = -89.3957, 29.1924; 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
The 1:100,000 map (if available); Switch to TerraServer
Zoom on that location with radius = 2 km; 5 km ; 10 km ; 20 km ; 30 km ; custom.

Nearby named places (in order by distance)

1. Alphonse, Bayou; Louisiana: Plaquemines Parish -89.3957, 29.1924 at a distance of 5 m
2. Pass de Wharf; Louisiana: Plaquemines Parish -89.3904, 29.1858 at a distance of 895 m
3. Pass Tit Francois; Louisiana: Plaquemines Parish -89.4059, 29.1944 at a distance of 1013 m
4. Tony, Bayou; Louisiana: Plaquemines Parish -89.3820, 29.1871 at a distance of 1459 m
5. Pass Tante Phine; Louisiana: Plaquemines Parish -89.4109, 29.1880 at a distance of 1551 m
6. Little Pass de Wharf; Louisiana: Plaquemines Parish -89.3726, 29.1935 at a distance of 2255 m
7. Red Pass mouth; Louisiana: Plaquemines Parish -89.4098, 29.2149 at a distance of 2846 m
8. West Delta Receiving Station Heliport; Louisiana: Plaquemines Parish -89.3969, 29.2191, ( 2 ft ) at a distance of 2965 m
9. Little Red Pass; Louisiana: Plaquemines Parish -89.4276, 29.1944 at a distance of 3106 m
10. Buras Pond; Louisiana: Plaquemines Parish -89.3593, 29.1783 at a distance of 3873 m

The 7.5 minute series topographic maps for that area