A boundary stone is a robust physical marker that identifies the start of a land boundary or the change in a land boundary…
Due to busy roadside location stealth will be required and care should be taken if caching with children and\or dogs. Parking is available in nearby layby, although it might be best to avoid the school run.
Unfortunately there is no room for trackables and you will need to bring your own pen.
Enjoy the cache and please replace as found.