We've searched the Internet and have come up with 7 stunning retaining wall ideas. The Kitchener - Waterloo region tends to be rather hilly and not very flat. Retaining walls are therefore a very beneficial and great design feature for the sloped landscapes of this area. They beautifully prevent soil erosion and can also provide you with extra usable living, entertainment and gardening space. . If you would like to install a beautiful, long-lasting retaining wall, contact the experts at Royal Masonry today.