Free Thu, Apr 28 10:00 AM Invasive Vine Action Workshop Westchester Manor Hall, Hastings-On-Hudson Free Sat, May 14 10:00 AM 2nd Annual Great Saw Mill River Clean-Up Several locations from Yonkers to Chappaqua Free Sat, Jul 9 8:00 AM Compost Bin & Rain Barrel Sale Greenburgh Town Hall, White Plains Free Sat, May 12 10:00 AM Great Saw Mill River Clean-Up! Free Sun, May 20 10:00 AM Compost Bin & Rain Barrel Sale June 9th, 2012 Eastchester Town Hall Parking Lot; Greenburgh Nature Center Lower Visitor Parking Lot Free Fri, Aug 10 6:00 PM Volunteer Appreciation Picnic! Daylighted Saw Mill River Park, Yonkers Free Sat, Nov 16 10:00 AM Invasive Vine SWARM 2 Lawrence Street, Ardsley Free Sat, Mar 22 10:00 AM Invasive Vine SWARM #2 Croton Point Park, Croton-on-Hudson Free Sat, Apr 26 10:00 AM Great Saw Mill River Cleanup: South County Trailway--between Ardsley & Elmsford South County Trailway between Ardsley & Elmsford, Greenburgh Free Sat, Apr 26 10:00 AM Great Saw Mill River Cleanup: Van der Donck Park--Yonkers Van Der Donck Park, Yonkers Free Sat, Apr 26 10:00 AM Great Saw Mill River Cleanup: Ann Street--Yonkers Ann Street, Yonkers Free Sat, Apr 26 10:00 AM Great Saw Mill River Cleanup: Walsh Road/War Memorial Field--Yonkers War Memorial Field, Yonkers Free Sat, Apr 18 10:00 AM Great Saw Mill River Cleanup--Van der Donck Park Van Der Donck Park, Yonkers Free Sat, Apr 18 10:00 AM Great Saw Mill River Cleanup: Ann Street--Yonkers Ann Street, Yonkers Free Sat, Apr 18 10:00 AM Great Saw Mill River Cleanup: Walsh Road/War Memorial Field--Yonkers War Memorial Field, Yonkers Free Sat, Apr 18 10:00 AM Great Saw Mill River Cleanup: Hearst St--Yonkers Hearst St & Grey Oaks Avenue, Yonkers Free Sat, Apr 18 10:00 AM Great Saw Mill River Cleanup: Woodlands Lake--Irvington Woodlands Lake, Irvington Free Sat, Apr 18 10:00 AM Great Saw Mill River Cleanup: Farragut Avenue - Hastings Farragut Avenue, Hastings-on-Hudson Free Sat, Dec 12 10:00 AM Invasive Vine SWARM #5 - Tibbets Brook Park Tibbetts Brook Park, Yonkers Free Wed, Feb 3 12:00 PM Great Saw Mill River Cleanup: Lawrence St--Ardsley Lawrence Street, Ardsley Free Sat, Apr 16 10:00 AM Great Saw Mill River Cleanup 2016: Farragut Avenue- Hastings Farragut Avenue, Hastings-on-Hudson Free Sat, Apr 16 10:00 AM Great Saw Mill River Cleanup 2016: Ann Street-Yonkers (Science Barge site) Ann Street, Yonkers Free Sat, Apr 16 10:00 AM Great Saw Mill River Cleanup 2016: VE Macy Park/Woodlands Lake-Irvington Woodlands Lake, Irvington Free Sat, Apr 16 10:00 AM Great Saw Mill River Cleanup 2016 -Van der Donck Park Van Der Donck Park, Yonkers Free Sat, Apr 16 10:00 AM Great Saw Mill River Cleanup 2016: Lawrence St- Ardsley/Dobbs Ferry Lawrence Street, Ardsley Free Sat, Apr 16 10:00 AM Great Saw Mill River Cleanup 2016: Hearst St-Yonkers Hearst St & Grey Oaks Avenue, Yonkers Free Sat, Apr 16 10:00 AM Great Saw Mill River Cleanup: Bridge Street Plaza -Ardsley 660 Saw Mill River Road, Ardsley Free Sun, Apr 17 10:00 AM Great Saw Mill River Cleanup: Elmsford- COCA COLA SITE Elmsford, Elmsford Free Sat, Apr 22 10:00 AM Great Saw Mill River Cleanup 2017: Lawrence St- Ardsley/Dobbs Ferry Lawrence Street, Ardsley Free Sat, Apr 22 10:00 AM Great Saw Mill River Cleanup 2017: Bridge Street Plaza -Ardsley 660 Saw Mill River Road, Ardsley Show more
