09/09/2026
The next installment in a series from Mike Hays which explores ’s history from A to Z features a hidden astronomical observatory atop West Hook Mountain.
Nyack History A to Z Hidden near a group of trees on a lonely ridge above Upper Nyack lies the rectangular stone foundation of one of Rockland County’s most unusual landmarks. In 1891 attorney Richard Dickinson “Major” Jewett built a private astronomical observatory atop West Hook Mountain, th...