Living Next Door to the World’s Largest Open-Face Granite Quarry
Most people know Mount Airy, NC as the inspiration for Mayberry. Between the small town charm and the connection to Andy Griffith, that reputation has stuck for decades. Visitors come to see the nostalgia, walk the streets downtown, and take pictures with reminders of the classic show.
What most tourists don't know is that long before television crews arrived and long before Mayberry became a household name, Mount Airy was known for something pulled straight from the ground beneath it- Granite! The town is home to the world’s largest open face granite quarry.
If you have ever seen photos of it, you know it is hard to miss. The quarry stretches out like a massive stone bowl carved into the earth, and the scale of it is hard to wrap your head around until you see it in person.
The term “open face quarry” simply means the granite is exposed at the surface instead of being mined through underground tunnels. Instead of digging deep below ground to reach the stone, the granite is already visible and can be removed from the top down.
Not a bad situation if you are in the granite business.
Above: A view of the granite quarry from above is always impressive!
Photo Courtesy of NCGC.
How Granite Forms and Why It Lasts
Even though the quarry is visible from the surface, granite itself actually forms deep underground. It begins as molten rock called magma that cools very slowly beneath the Earth’s crust. Because the cooling process happens over millions of years, large mineral crystals have time to form and lock tightly together. That slow formation process is what gives granite its incredible strength and durability. Mount Airy granite formed roughly 335 million years ago, long before the Appalachian Mountains looked the way they do today.
The strength and durability of natural stone is also why granite has been such a popular choice for countertops for so long. The stone is naturally resistant to heat, strong enough to handle everyday wear, and filled with unique patterns that make each slab one of a kind. From busy kitchens to commercial spaces, granite holds up to real life while still bringing natural beauty into a room.
Why Mount Airy Granite Is Above Ground
If granite forms so far underground, it is fair to wonder how Mount Airy ended up with such a massive quarry sitting right at the surface.
The answer comes down to time. A lot of time. Over hundreds of millions of years, the layers of soil and rock that once covered this enormous granite formation slowly eroded away. What remained was the granite body itself, exposed right at ground level.
That natural process created the massive open quarry Mount Airy became known for and revealed a deposit of granite that is remarkably consistent in color and grain. Because of that consistency, Mount Airy granite has been used in some impressive places, including the World War II Memorial and the Arlington Memorial Bridge.
Not bad for something that started as molten rock deep underground.
Above: Brian and Larry Johnson (L to R) standing outside their very first storefront in the early 2000s. Photo Courtesy Johnson Granite, Inc.
Why That Matters to Us at Johnson Granite
When your company starts in the same town as the world’s largest open face granite quarry, you end up learning a thing or two about stone. At Johnson Granite, working with natural stone is more than just part of our business. It is part of the story of the place we call home.
Our team helps homeowners and builders choose, fabricate, and install granite countertops in and around North Carolina and Virginia. From kitchens and bathroom vanities to fireplaces and commercial projects, we enjoy helping people find a stone surface that fits their space and the way they live.
While we also work with marble, quartzite, and other natural stones, granite will always have a special place here.
A Local Stone for Local Spaces
One project we were especially proud to be part of was at the Mount Airy Surry County Airport. The space features locally sourced "Mount Airy" granite countertops along with a custom fireplace that reflects the character of the area.
One of the most meaningful details is a granite cutout inspired by nearby Pilot Mountain, a landmark that is instantly recognizable to people who live in this region. Projects like that are a reminder that granite is not just a building material around here. It is tied to the landscape, the history, and the identity of the community.
Above: Granite surfaces installed by Johnson Granite at the Mount Airy Surry County Airport, featuring locally sourced stone and a custom granite cutout inspired by nearby Pilot Mountain. Photo Courtesy Johnson Granite, Inc.
Bringing a Piece of That Story Into Your Home
Granite has been part of Mount Airy’s story for generations, and at Johnson Granite we are proud to keep working with the same type of natural stone that helped shape this town. Today we get to turn it into kitchen islands where families gather, bathroom vanities that start busy mornings, and spaces designed to last for years to come. If you are considering granite countertops in Mount Airy, Winston Salem, Roanoke, or nearby areas, we would love to help you explore your options and find the right stone for your space.
