Boulder walls emphasize nature’s beauty. Retaining walls are an excellent choice for controlling erosion.The benefits of boulder retaining walls are the weight of the stones with gravity. The natural crevices in the wall allows water to seep through. Boulder walls are a very good reinforcement for uneven soil. The boulders have the weight that is needed to hold back the pressure of the soil. These rocks are designed for durability. Boulder retaining walls are provided from nature’s environment. Boulder walls are environmental friendly. There are no chemicals added to the boulders unlike blocks. The chemicals added to blocks is to preserve the quality of the block product.