I have been reading and watching Youtube about swales, trenches etc for conserving rainwater.
I live in southern Spain, hot and very dry in the summer, cold and some rain in the winter. I would like to convert my garden into a small food forest. It seems like a good idea to sort the water situation out before planting or anything.
Looking at my garden it looks like it will naturally collect water without the need for getting the spade out and digging some earthworks as it is walled at the base.
Does this sound right? Here is my dodgy drawing...