The Northern Boundary
historic site
- Material
- metal
- 23.4 mi off the Historic Route 66National
- 17.1 mi off the Lincoln HighwayNational
- 22.0 mi off the Illinois River RoadNational
Overlooks nearby
- Fabyan Windmill · 24 mi
- Council Overhang · 27 mi
- Ottawa Canyon · 27 mi
- Illinois Canyon · 27 mi
The recorded facing catches the sunset.
| Date | Sunrise | Golden hour | Sunset |
|---|---|---|---|
| March equinox | 06:59 | 18:30 | 19:07 |
| June solstice | 05:21 | 19:51 | 20:33 |
| September equinox | 06:43 | 18:17 | 18:54 |
| December solstice | 07:19 | 15:43 | 16:28 |
Local time (America/Chicago).
41.63769, -88.65535
Elevation 204 m (modelled from terrain)