There’s an incredible new way to experience one of Wisconsin’s famous attractions. Cave of the Mounds is offering a series of Black Light Tours that shine a fresh light on the cave’s underground beauty; science, nature, and mystery converge to create an unforgettable experience unlike any other. Ready to experience one of Wisconsin’s best night events? Here’s what you need to know.

Cave of the Mounds is a natural limestone cave located near Blue Mounds. It’s an easy drive from places like Madison and Platteville.
Facebook / Cave of the Mounds National Natural Landmark
As visitors step into the world of blacklights at the Cave of the Mounds, they delve into the realm of ultraviolet light – a spectrum of light just beyond what our eyes can perceive.
Facebook / Cave of the Mounds National Natural Landmark
Now, here's where the magic truly begins. The mineral calcite, a mainstay in the cave's formations, holds the key to this extraordinary phenomenon.
Facebook / Cave of the Mounds National Natural Landmark

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When ultraviolet light from the blacklights collides with the calcite, electrons within the mineral become energized. As these electrons return to their natural state, they release energy in the form of visible light, a process known as fluorescence.
Facebook / Cave of the Mounds National Natural Landmark
As you traverse through the cave's passages, you’ll carry a blacklight to cast a spotlight on calcite's secret colors. The formations in the Cave of the Mounds, such as stalactites, stalagmites, and flowstone, boast this remarkable ability due to the presence of manganese.
Facebook / Cave of the Mounds National Natural Landmark
Whether you're a science enthusiast, a nature lover, or simply someone seeking an otherworldly experience, the Cave of the Mounds Black Light Tour is an event you won’t want to miss.
Facebook / Cave of the Mounds National Natural Landmark

I’ve toured this cave before, and it’s simply incredible. The black lights take it to another level! Tours include a black light rental and a full guided tour of Cave of the Mounds. Learn more and see current tour dates on the cave’s website. Get all your cave hiking supplies at REI. Interested in more Wisconsin fun? Here are some of the state’s best attractions.

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Featured Addresses
Cave of the Mounds, 2975 Cave of the Mounds Rd, Blue Mounds, WI 53517, USA