For more information see the Bonus cache listing GC2AYCC or the first in the series GC2AYAC
Mark....
The origin of the name is believed to mean A boundary of property from the Old English mærc.
Mark is home to two pubs, a village hall, a village stores and post office, the Ki-Aikido Federation of Great Britain and many clubs and societies, including a thriving Youth Theatre group.
The Cache...
Straight forward find, as always be careful with young cachers near water and roads.
Please rehide as described in the hint, so it can't easily be seen by casual passing muggles. Thanks. There are several other good caches in the village, don't forget to visit them as well.