The selected location is:

The elevation is 200 m ( 656 ft )
The gradient is: 2.2 percent
The aspect direction is: 283.3 degrees or W
The local roughness is: 1.4 or average
The location as decimal degrees (X,Y;Z) = -88.6462, 40.0036; 200 m

The state and county are Illinois: Piatt County 17147
The HUC is Upper Sangamon 07130006; Place point in HUC
The Omernik ecoregion is Central Corn Belt Plains (less typical) 54
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Nearby named places (in order by distance)

1. Robert Allerton Park; Illinois: Piatt Co. -88.6462, 40.0036 at a distance of 5 m
2. Arrowhead Lake; Illinois: Piatt Co. -88.6429, 40.0094 at a distance of 707 m
3. Four H Memorial Lake; Illinois: Piatt Co. -88.6568, 40.0017 at a distance of 926 m
4. Four H Memorial Lake Dam; Illinois: Piatt Co. -88.6568, 40.0017 at a distance of 926 m
5. Four-H Lake; Illinois: Piatt Co. -88.6576, 40.0014, ( 658 ft ) at a distance of 1000 m
6. Willow Branch mouth; Illinois: Piatt Co. -88.6634, 39.9878 at a distance of 2283 m
7. Wildcat School (historical); Illinois: Piatt Co. -88.6262, 40.0175 at a distance of 2307 m
8. Willow Branch Cemetery; Illinois: Piatt Co. -88.6482, 39.9811 at a distance of 2500 m
9. Amenia; Illinois: Piatt Co. -88.6665, 40.0219 at a distance of 2672 m
10. Wildcat Creek mouth; Illinois: Piatt Co. -88.6251, 40.0217 at a distance of 2704 m

The 7.5 minute series topographic maps for that area