This cemetery is located in the woods off the Taconic State Parkway (to the east) near road reference marker 987G 84021085.  It is in what is now a forest, but the cemetery is reportedly located off what remains of the old Wicopee Road which leads from the Parkway down the hill, but it not really visible any more.  Based on a list of graves, the oldest grave is from 1825 and the newest is from 1924.

More information:  Putnam Graveyards; Find A Grave (graves)

Location:  Google Maps (41.43813, -73.815568)