Naturalist-Guided Cave Tour at Black Chasm Cavern

Follow an experienced cavern naturalist on a guided walk through the upper levels of Black Chasm's vertical cave. Explore a setting shaped by the processes your guide explains along the way.

• Descend approximately 100 feet below the surface
• Explore 3 chambers featuring ancient crystal formations
• Look down at a blue lake about 80 feet below the second chamber's viewing platform
• Learn about the cavern's varied features and the science of cave study

Important details

• All ages are welcome. The route requires navigating 5 flights of stairs and 3 platforms and is not wheelchair accessible. Joint, heart, or respiratory conditions may affect your ability to participate.
• Bring your Jackson Library card if using a library-card ticket; you must present it in person.
• Pets and emotional support animals are not allowed inside the cave. Service animals are allowed with proper documentation. Watch for leash-related tripping hazards and clean up after your animal.
• Do not carry infants or children in backpack carriers. Carrying children in your arms is discouraged for safety reasons.
• Do not bring food, chewing gum, drinks, or water into the cave, including bottled water and hydration backpacks.
• Leave backpacks, large purses, extra camera lenses, tripods, and selfie sticks outside the cave to protect the formations.
• Do not take walking sticks inside the cave; they are allowed only as far as the cave entrance. Handrails run along the steps.