This bonus has been placed as a final physical stage for the Adventure Lab “Chronicles of Calne”. There is no physical cache at the headline coordintes but this the entrance to a car park. This Pay and Display car park allows two hours free parking with a ticket.
The adventure is a short historical walk around the centre of the market town of Calne, taking in some of the beautiful buildings and interesting lcoations along the way. The coordinates for this bonus (and a hint) will be revealed on successfully completing the closest stage of that adventure to this bonus.
You can access the Adventure by using this link