The selected location is:

The elevation is 390 m ( 1280 ft )
The gradient is: 14.3 percent
The aspect direction is: 144.8 degrees or SE
The local roughness is: 10.1 or moderate
The location as decimal degrees (X,Y;Z) = -117.0042, 32.9958; 390 m

The state and county are California: San Diego County 6073
The HUC is San Diego 18070304; Place point in HUC
The Omernik ecoregion is Southern and Central California Plains and Hills (more typical) 6
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Nearby named places (in order by distance)

1. Rattlesnake Canyon head; -117.0042, 32.9958 at a distance of 6 m
2. Rattlesnake Creek head; -117.0042, 32.9961 at a distance of 39 m
3. Warren Ranch; California: San Diego Co. -116.9990, 32.9986 at a distance of 583 m
4. Poway 1078 Dam; California: San Diego Co. -117.0109, 33.0100 at a distance of 1698 m
5. Poway High School; California: San Diego Co. -117.0245, 32.9983 at a distance of 1914 m
6. Green Valley head; -117.0262, 33.0014 at a distance of 2145 m
7. Warren Canyon mouth; California: San Diego Co. -117.0103, 33.0164 at a distance of 2359 m
8. Vallecitos; California: San Diego Co. -116.9815, 32.9839 at a distance of 2499 m
9. Rancho Del Suen; California: San Diego Co. -117.0253, 33.0100 at a distance of 2523 m
10. Rattlesnake Canyon mouth; California: San Diego Co. -117.0198, 32.9764 at a distance of 2593 m

The 7.5 minute series topographic maps for that area