Crafted by nature and built to endure, Canyon Gray Retaining Wall stone is a highly textured limestone with a natural color range from light gray to olive green. Its flat yet rugged surface, available in 3″ – 5″ thickness with top diameters ranging from 12″ – 24″, makes it an excellent choice for retaining walls, freestanding walls, and rustic stone features. Whether dry-stacked or mortared, this durable stone provides a timeless, organic aesthetic that seamlessly blends into any landscape. Coverage averages 15 sq. ft/ton.