Keep Rockland Beautiful will hold its 4th tour in a series of Rockland Underground adventures.

Tour 4 involves Harmony Hall and Historic Sloatsburg and takes place, Saturday, October 15. Harmony Hall Curator Geoff Welch will conduct a tour of Harmony Hall, the magnificent Greek revival mansion of inventor/entrepreneur Jacob Sloat. The tour will also take you along the Ramapo River, the driving force of industry in Sloatsburg, and through a historical cemetery and other highlights. Sat. October 15, 2016 / 10:00 am – 12:00 pm (Rain Date: 10/16)