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) = -81.4948, 30.7222; 0 m

The state and county are Georgia: Camden County 13039
The HUC is St. Marys 03070204; Place point in HUC
The Omernik ecoregion is Middle Atlantic Coastal Plain (less typical) 63
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Nearby named places (in order by distance)

1. Jolly River mouth; Florida: Nassau Co. -81.4948, 30.7221 at a distance of 7 m
2. Saint Marys River mouth; Georgia: Coffee Co. -81.4948, 30.7230 at a distance of 93 m
3. Saint Marys River mouth; Florida: Nassau Co. -81.4948, 30.7230 at a distance of 93 m
4. Cumberland Sound; Florida: Nassau Co. -81.4837, 30.7221 at a distance of 1061 m
5. Point Peter Creek mouth; Georgia: Camden Co. -81.5081, 30.7271 at a distance of 1388 m
6. Beach Creek mouth; Georgia: Camden Co. -81.4770, 30.7274 at a distance of 1799 m
7. New Town Plantation (historical); Georgia: Camden Co. -81.5129, 30.7271 at a distance of 1820 m
8. Point Peter; Georgia: Camden Co. -81.5151, 30.7266 at a distance of 2007 m
9. Tiger Creek mouth; Florida: Nassau Co. -81.4815, 30.7074 at a distance of 2073 m
10. Saint Joseph Creek head; -81.4815, 30.6971 at a distance of 3056 m

The 7.5 minute series topographic maps for that area