Because Illinois Caverns is a substantially wild,
unimproved cave system, visitors must use adequate safety equipment,
including hard hat, 3 dependable sources of light, leather boots,
and suitable protective clothing. Visitors should plan
on getting their feet wet.
A minimum of 4 people is required to enter the cave.
- Visitors are required to read and sign a cave exploration
permit before entering the cave. Permits are available
at the cave or by contacting the Site Interpreter.
Groups of 25 or more persons will not be admitted to
any state park or conservation area unless permission from the
Site Superintendent has been granted to use the facilities.
In addition, groups of minors must have adequate supervision and
at least one responsible adult must accompany each group of 5
- Everything in the cave is protected by law.
You may NOT disturb or remove any natural, geological, or biological
materials from the cave. TAKE NOTHING BUT PHOTOGRAPHS,
LEAVE NOTHING BUT FOOTPRINTS.