How to Find Yooperlite Rocks on the Shores of Lake Superior

If you’re looking for a unique and exciting outdoor adventure, searching for Yooperlite rocks along the shores of Lake Superior is a must-try activity. These glowing rocks, discovered in Michigan’s Upper Peninsula (hence the name “Yooper”), are actually syenite rocks enriched with fluorescent sodalite, which glows under ultraviolet (UV) light.

Here’s everything you need to know to start your hunt for these captivating natural treasures.

Yooperlite Rocks on the beaches of Lake Superior

What Are Yooperlite Rocks?

Yooperlite rocks might look ordinary in daylight, but they come alive under UV light, glowing in vibrant shades of orange and yellow. They were first identified in 2017 by Erik Rintamaki and have since become a sought-after find among rockhounds and nature lovers.

Where to Look for Yooperlite Rocks

1. Lake Superior’s Shorelines:

The best places to find Yooperlites are rocky beaches along Lake Superior in Michigan’s Upper Peninsula, but they can also be found along parts of Wisconsin and Minnesota’s shores. Popular spots include:

• Whitefish Point

• Grand Marais

• Keweenaw Peninsula

• Presque Isle Park in Marquette

Walking the beach in Grand Marais

2. Timing Matters:

The best time to hunt for Yooperlites is at night or during dusk, as UV light is most effective in low-light conditions. Plan your search during clear evenings for optimal visibility.

Tools You’ll Need

1. UV Flashlight:

A UV flashlight with a wavelength of 365 nm is essential for spotting the fluorescence of Yooperlites.

You will need a UV flashlight like this one.

2. Protective Gear:

• Sturdy shoes for navigating rocky shorelines

• A bucket or bag for collecting your finds

• Safety glasses to protect your eyes from UV light

3. Patience and Curiosity:

Searching for Yooperlites can be a calming and rewarding experience, but it requires time and focus.

Tips for a Successful Search

• Walk Slowly: Scan the ground with your UV flashlight, looking for glowing patches among the rocks.

• Check Along the Waterline: Waves often reveal hidden treasures, so focus your search near the shoreline.

• Stay Safe: Be mindful of slippery rocks, and avoid hunting alone, especially at night.

What to Do with Your Yooperlites

Once you’ve found Yooperlites, the possibilities are endless! Many collectors use them for:

• Displaying their glow-in-the-dark beauty

• Creating unique jewelry or decorations

• Gifting to fellow nature enthusiasts

Respect the Environment

While hunting for Yooperlites is exciting, it’s essential to respect the environment. Avoid disturbing wildlife, leave no trace, and only take what you need.

Finding Yooperlite rocks along Lake Superior is not just about collecting glowing stones; it’s a chance to connect with nature and experience the awe-inspiring beauty of the Great Lakes region. So grab your UV flashlight, head to the shoreline, and see what glowing treasures await!