Art of the Ramapo Valley at Harmony Hall!

Geoff Welch has been researching and doing field work on this subject for over 25 years. During that period, Dr. Kenneth Maddox of the Newington-Cropsey Foundation was researching and writing art entries for what is to be a three volume Jasper Francis Cropsey Catalogue-Raisonne. Dr. Maddox became an invaluable resource, adviser and friend, whom we sadly lost at the end of 2018.


      Harmony Hall (1848) is a National and NY State Register of Historic Places Site in Sloatsburg, built by Jacob Sloat, who befriended Cropsey in 1846, inviting him to stay with his family for a visit from Sept. 4 - Sept. 14, 1846.  More details on Cropsey’s many visits to Sloatsburg will be presented in Art of the Ramapo River Valley!

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The Friends of Harmony Hall is a 501(c)3 non-profit organization dedicated to the preservation of Harmony Hall-Jacob Sloat House and the New York Highlands area. Your contribution to our preservation and programming efforts may be tax-deductible.

Tel.          (845) 712-5220

Email       events (at)

Address    15 Liberty Rock Rd., PO Box 293

               Sloatsburg, NY 10974

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© 2014  Friends of Harmony Hall - Jacob Sloat House. PO Box 293, 15 Liberty Rock Rd. Sloatsburg, NY 10974