Originally constructed by William the Conquerer, Windsor Castle is not only the largest inhabited castle in the world but also the oldest in continuous occupation. It is the principal weekend retreat of Queen Elizabeth II. Sections of Windsor Castle are open to the public and it is very popular with tourists.
About the cache
The area is very busy and as this is a royal residence it is important to take care not to look suspicious while hunting this cache. You can retrieve the cache easily from a seated position without bending, stooping or looking underneath anything. Please be discreet when retrieving and replacing the cache.
You are sitting in the right place if you can read the inscription "Yorkstone flags laid by W. Knight Maidenhead. Supplied February 1990 by GCO Farrar Keighley."