Mahwah Museum Society Inc 201 Franklin Tpke, Mahwah, NJ07430 Located in what was once the Winter Library from 1949 to 1998, the Mahwah Museum preserves its rich history and connects…More local residents to the past. The museum has a wide selection of photos, artifacts, historic records and documents. Monthly programs and lectures of interest are held here by professional historians. One can expect a friendly and down-to-earth staff. Persons under 18 receive free admission.