Orchardville was originally laid out as a village by the Proprietor of the ground, John Orchard, Esq. in 1858 and named Orchardville. When a post-office was applied for, it was granted under the name of "Orchard". It contained in addition to the Store (at the corner) and post-office of Mr. Caldwell, a tavern, a blacksmith shop & shoemaker's shop.It was on the stage-road from Guelph to Owen Sound, now known as King's Highway #6. It had a population of 80.
Now the mill has been updated but is no longer in use.
No need to explore all the difficult terrain to get this cache.