I realised after placing my letterbox that I might have left enough room in between for a nother cache...so I go out today, in the rain, to check how close the closest ones are and sure enough, in the middle, according to my GPS, there is just enough room to place this one.
This is not hard to find, in fact it stands out a mile, but it is in an area that nobody would go... unless they were hunting a cache!
Sorry if you have been here 10 times looking for FTF glory, it is near my home so I will try to fill it with caches gradually.