Gabion basket retaining walls are widely used for stabilizing slopes, protecting embankments, and controlling erosion. They are constructed from wire mesh baskets filled with stone or rock, creating a flexible, permeable, and durable structure. Proper construction is essential to ensure stability, longevity, and effective drainage performance.Construction begins with thorough site preparation. The area where the wall will be built must be cleared of vegetation, loose soil, and organic material. The ground is then trimmed to the required line and level according to the design. A foundation trench is excavated along the wall alignment, typically to a depth that reaches stable subsoil and below anticipated scour or frost levels. The base is compacted and, where necessary, a layer of compacted granular material is placed to create an even, stable foundation.A suitable drainage system is critical. A layer of free‑draining gravel is often placed behind and beneath the gabion wall to prevent water pressure build‑up. In addition, perforated drain pipes may be installed at the base and discharged to safe outlets. Geotextile fabric is commonly used between the soil and the back of the gabions to prevent fine particles from washing through the wall while still allowing water to pass.Gabion baskets, typically made of galvanized or PVC‑coated steel mesh, are assembled on site if supplied flat‑packed. The panels are unfolded and connected using lacing wire, C‑rings, or helical spirals, ensuring all edges are securely fastened. The empty baskets are placed on the prepared foundation, aligned to the design line and checked for level. Adjacent baskets are connected to each other to form a continuous structure, which improves overall stability and prevents deformation.Filling the baskets is a key stage. Durable, angular stone of the specified size is placed carefully by hand around the visible faces to maintain a neat, tightly packed appearance and ensure minimal voids. The interior can be filled more rapidly, sometimes using mechanical equipment, as long as segregation and damage to the mesh are avoided. Intermediate diaphragms within longer baskets are filled progressively to maintain shape and prevent bulging. The top of each basket is slightly overfilled to compensate for settlement, then the lid is pulled tight and securely laced to the sides and diaphragms.Construction proceeds in layers, or courses. Once the first course is completed and checked for alignment and level, backfilling and compaction of the soil behind the wall are carried out in thin layers, avoiding excessive compaction energy directly against the baskets. Subsequent gabion courses are then placed on top, with vertical joints staggered where possible. Each new layer is tied to the one below to create an integrated mass that resists sliding and overturning.Quality control throughout construction includes verifying mesh integrity, coating condition, stone quality, basket alignment, and the performance of drainage measures. When correctly designed and built, gabion basket retaining walls offer a robust, flexible, and environmentally compatible solution for earth retention in a wide variety of civil engineering and landscaping applications.