Surge stones, also known as riprap or rock armor, are often used in landscaping projects to prevent erosion and to create a stable base for hardscaping features such as patios, walkways, and retaining walls. It is also used for drainage and as a decorative element in landscaping projects.

When used for erosion control, surge stone is often placed at the base of slopes, hillsides, or along riverbanks to prevent soil erosion caused by heavy rain or runoff. The irregular shape of the stone helps to dissipate the energy of the water and prevent it from carrying away the soil.

Surge stone can also be used to create a stable base for hardscaping features. It is often used as a foundation for patios, walkways, and retaining walls, providing a stable surface that can withstand heavy use and foot traffic.