The selected location is:

The elevation is 13 m ( 42 ft )
The gradient is: 0.6 percent
The aspect direction is: 113.6 degrees or SE
The local roughness is: 0.5 or slight
The location as decimal degrees (X,Y;Z) = -121.5353, 38.9616; 13 m

The state and county are California: Sutter County 6101
The HUC is Lower Bear 18020108; Place point in HUC
The Omernik ecoregion is Central California Valley (more typical) 7
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Nearby named places (in order by distance)

1. Rio Oso Post Office; California: Sutter Co. -121.5353, 38.9616 at a distance of 3 m
2. Rio Oso; California: Sutter Co. -121.5444, 38.9610, ( 43 ft ) at a distance of 788 m
3. Yankee Slough mouth; California: Placer Co. -121.5447, 38.9693 at a distance of 1178 m
4. Dry Creek mouth; California: Yuba Co. -121.5258, 38.9738 at a distance of 1586 m
5. Browns School; California: Sutter Co. -121.5244, 38.9471 at a distance of 1868 m
6. Cornelius (historical); California: Sutter Co. -121.5433, 38.9393, ( 40 ft ) at a distance of 2571 m
7. Fairview Cemetery; California: Sutter Co. -121.5255, 38.9388, ( 49 ft ) at a distance of 2671 m
8. Algodon (historical); California: Yuba Co. -121.5430, 38.9902, ( 45 ft ) at a distance of 3243 m
9. Grasshopper Slough mouth; California: Yuba Co. -121.5058, 38.9849 at a distance of 3638 m
10. Lake of the Woods State Wildlife Area; California: Yuba Co. -121.5753, 38.9482 at a distance of 3771 m

The 7.5 minute series topographic maps for that area