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Illinois
11.9 mi
Distance
2,221 ft
Gain
4h 34m
Time
We won't guess. Here is exactly what we do and don't know.
What we do know
Inside Shawnee National Forest
2 managing-area boundaries mapped — agency alerts for them feed this page automatically.
Boundary data
What's missing
No access route mapped
We don't yet know which road reaches this trailhead, so we can't tell you if it's gated.
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Why you'll love it
Thacker Hollow
AI-suggested draft · review before you go
No permit or access details on file for this trail — check with the local land manager before you go.
Thacker Hollow offers an 11.86-mile out-and-back trail through scenic ravine terrain in Illinois. This moderately challenging hike takes you through a picturesque hollow with wooded slopes and seasonal water features, providing a rewarding natural escape in the heart of the state.
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180C
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Russell Cemetery
~2 min drive
Peaceful 6.2-mile out-and-back hike to a historic Illinois cemetery.