Organization: National Park ServiceLocation: 1849 C St NWWashington, DC, 20240United StatesSee map: Google MapsPhone:202-208-6843 2025 Free Entrance Days in the National ParksDates: 04/19/202506/19/202508/04/2025Show more datesHide these dates09/27/202511/11/2025Time: See website for details. 4-H Camp Shankitunk Albany Pine Bush Preserve & Discovery Center Organization: Alpengirl CampLocation: 214 E Mendenhall StBozeman, MT, 59715United StatesSee map: Google MapsPhone:406-570-6312 Alpengirl Adult Women's AdventuresDates: 08/20/202508/21/202508/22/2025Show more datesHide these dates08/23/202508/24/202508/25/202508/26/202508/27/202508/28/202508/29/202508/30/202508/31/202509/01/202509/02/202509/03/202509/04/202509/05/202509/06/202509/07/202509/08/202509/09/202509/10/202509/11/202509/12/202509/13/202509/14/202509/15/202509/16/202509/17/202509/18/2025Time: 8:00AM Location: Sam's Point area of Minnewaska State Park Preserve400 Sam's Point RdCragsmoor, NY, 12420United StatesSee map: Google MapsPhone:845-255-0752 Drop-In Snowshoe Lessons at Sam’s Point PreserveDates: 02/08/202502/15/202502/22/2025Show more datesHide these dates03/01/202503/08/202503/15/202503/22/202503/29/2025Time: 11 am - 1 pm Organization: The Ashokan CenterLocation: 477 Beaverkill RdOlivebridge, NY, 12461United StatesSee map: Google MapsPhone:(845) 657-8333 Earth Fest at Ashokan 2025Dates: 04/13/2025Time: 12 pm - 4 pm Gore Mountain Organization: The Ashokan CenterLocation: 477 Beaverkill RdOlivebridge, NY, 12461United StatesSee map: Google MapsPhone:(845) 657-8333 The Ashokan Center’s Maple FestDates: 03/08/2025Time: 10 am - 3 pm Visiting Lockport Cave & Underground Boat Ride