Facility · Illinois ·
Managed by the USDA Forest Service
Shawnee National Forest (NF) · Open Access
The topographical features of today’s Shawnee National Forest played a crucial role in the Underground Railroad in the mid-19th century. As slaves escaped and headed north, the dense forest and rugged terrain offered natural hiding places. On the route through Pope County, Illinois, freedom seekers often used Sand Cave for shelter and protection.
Sand Cave is located a few miles west of Crow Knob and north of the Miller Grove Community location. Unlike the high lookout point of Crow Knob, Sand Cave was a deep, dark, and secluded shelter inside the sandstone face.
Other topographical features on the Shawnee National Forest that may have been used as hiding spots along the Underground Railroad include Ox-Lot, Brasher Cave, and Fat Man’s Squeeze.
Sources:
Cheryl LaRoche, Free Black Communities and the Underground Railroad: the Geography of Resistance
Mary McCorvie, “Spotlight on the Underground Railroad,” http://www.recreation.gov/marketing.do?goto=acm/Explore_And_More/exploreArticles/Spotlight__The_Underground_Railroad_on_the_Shawnee_National_Forest.htm
This information about the Underground Railroad is part of a geo-located multi-forest interpretive program. Please contact the U.S. Forest Service Washington Office Recreation, Heritage, and Volunteer Resources program leadership with any questions or to make changes. SGV – Recreation Data and Information Coordinator.
37.50000, -88.64966 · 37°30'0.0"N 88°38'58.8"W
Typically 88°F in Jul, down to 43°F in Jan.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °F | 43 | 49 | 59 | 70 | 77 | 85 | 88 | 87 | 82 | 71 | 57 | 46 |
| Low °F | 26 | 29 | 37 | 46 | 56 | 63 | 67 | 65 | 58 | 46 | 37 | 29 |
| Precip in | 3.8 | 3.6 | 4.7 | 5.0 | 5.2 | 4.1 | 4.4 | 3.6 | 3.8 | 3.8 | 4.3 | 4.2 |
1991–2020 averages from the nearest NOAA station, 4.3 mi away — not measured at the facility itself, and elevation can make a real difference over that distance.
Recreation.gov last updated this record on 2026-02-25.
Facility information and photographs from Recreation.gov (RIDB). SpotOpened is not affiliated with Recreation.gov or any federal agency.
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