Palisades Parks Conservancy, covering 29 parks, parkways and historic sites: www.palisadesparksconservancy.org/calendar/
Scenic Hudson, for events in Scenic Hudson parks up and down the Hudson River: salsa.democracyinaction.org
New York State Office of Parks, Recreation and Historic Preservation, provides state park information by region. See especially regions 3 and 4, where you’ll find maps showing state parks in our four counties. Click on park names to bring up a list of events as well as other info about each park: nysparks.state.ny.us/regions/
Mohonk Preserve (Ulster County) for weekend and Wednesday hikes and events in the Shawangunks and surrounding area: www.mohonkpreserve.org
Minnewaska State Park, next door to Mohonk Preserve with fabulous views: www.lakeminnewaska.org
New York-New Jersey Trail Conference, which covers a broad region, but you’ll find hikes in our four counties listed. www.nynjtc.org/content/scheduled-hikes
Adirondack Mountain Club, Mid-Hudson Chapter, the regional chapter of this very large hiking organization. www.midhudsonadk.org
Walkway Over the Hudson, the world’s longest and tallest foot bridge, now a State Park. Spans the Hudson between Poughkeepsie and Highland. walkway.org
Hudson Valley Rail Trail, an asphalt-covered trail through Hamlet of Highland and Town of Lloyd. Great for pushing a stroller and meeting friendly walkers, runners and bikers. Scheduled to connect up to Walkway Over the Hudson in 2010. www.hudsonvalleyrailtrail.com
Wallkill Valley Rail Trail, from Gardener, through New Paltz, and soon to Rosendale and its historic railway bridge. www.gorailtrail.org
Hyde Park Trail System, linking scenic, historic, and village trails, including the Roosevelt and Vanderbilt estates. www.hydeparkny.us/recreation/trails
Catskill 3500 Club, for hardy hikers, focusing on climbing the 35 Catskill peaks over 3500 feet in elevation. www.catskill-3500-club.org
New York State Hiking Trail Finder, providing access to trails throughout the state, including many in our four counties. www.slackpacker.com/map_ny.html