Listed in random order. For a series to be added to this list the series has to be a tour of the area and cachers receive something when it is completed, like a geo-coin, pathtag or extag.
Consist of 35 Silent Whistles caches in Newaygo County. First 95 to complete will receive a Pathtag.
Consist of 57 Silent Whistles caches. Completed tours receive a Pathtag, limited quantity available.