The biggest advantage of concrete walls is that they are extremely durable and can last an entire century without needing to be replaced, and they also require minimum maintenance in that time period.
Concrete blocks also come in many different shapes and sizes, and depending on a discussion with your local
concrete retaining wall contractors, they can even be curved.
Kelowna concrete block retaining walls are also very easy to install compared to other types of retaining walls, and are also eco-friendly. They are non toxic, do not emit any allergens or dangerous chemicals.