I'm in love. Landscape with steps: Customise a timber retaining wall on a sloping site for stepped access that doubles as seating in a terraced garden.
Lay perforated drainage tubing at base Water-soaked soil is the worst enemy of retaining walls because it exerts enormous pressure behind the wall. Adding good drainage behind block or stone walls is crucial for long-lasting, bulge-free walls.
How to Build a Retaining Wall - Step by Step: The Family Handyman