Building this retaining wall, everything is going well, dug trench, adding metal (gap7), compacting, laying stones. I've just built up the corner to show you the final height it will be.
The blue arrows show the direction of the slope, its not steep but this is where rain water will flow.
The red circle is my concern, that the gap7 base supporting the corner will wash away over time. Any ideas how to reinforce it other than fully disassembling the wall and laying concrete?
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