Mike, the only way that I know of is via the shooting club. Walk north
along the railroad bed until you come to a gravel road going off to the
left. Thi is the dam access road. Follow that for about half a mile to
the bluff overlooking the roost.
Hector Galbraith PhD
Galbraith Environmental Sciences LLC
837 Camp Arden Rd., Dummerston, VT05301
802 258 4836 (phone)