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: 06/19/202508/04/202509/27/2025Show more datesHide these dates11/11/2025Time: See website for details. Location: BioBlitz at Almaden Quicksilver19535 Mockingbird Hill Ln EntranceSan Jose, CA, 95120United StatesSee map: Google MapsPhone:408.755.6159 Almaden Quicksilver BioBlitzDates: 04/27/2025Time: 9:00am - 11:30am 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 Organization: San Francisco Bay Wildlife SocietyLocation: PO Box 234Newark, CA, 94560United StatesSee map: Google Maps Earth Month BioBlitz at the EECDates: 04/20/2025Time: 10:30AM Organization: Live Earth FarmLocation: 1275 Green Valley RdWatsonville, CA, 95076United StatesSee map: Google MapsPhone:(831) 763-2448 Earth Month Volunteer Day - Live Earth Farm Dates: 04/24/2025Time: 10:00 am - 12:30 pm Organization: Blue House FarmLocation: 950 La Honda RoadSan Gregorio, CA, 94074United StatesSee map: Google Maps Farmstand - Blue House FarmDates: 04/20/202504/26/202504/27/2025Time: 11:00 - 4:00pm PST Organization: CuriOdysseyLocation: 1651 Coyote Point DriveSan Mateo, CA, 94401United StatesSee map: Google MapsPhone:650-342-7755 First Friday Nights - CuriOdyssey Dates: 05/02/202506/06/202507/04/2025Time: 5:00 - 8:00pm PST Organization: Keep Coyote Creek BeautifulLocation: 5273 Prospect Rd #304San Jose, CA, 95129United StatesSee map: Google MapsPhone:408.755.6159 Hellyer County Park BioBlitzDates: 05/18/2025Time: 9:00am-11:30am Organization: Lindsay Wildlife ExperienceLocation: 1931 First Avenue Walnut Creek, CA, 94597United StatesSee map: Google MapsPhone:(925) 935-1978 Newt Hikes - Lindsay Wildlife ExperienceDates: 05/18/2025Time: 9:00 am - 11:00 am Organization: Elizabeth F. Gamble GardenLocation: 1431 Waverley St.Palo Alto, CA, 94301United StatesSee map: Google MapsPhone:650-329-1356 Spring Garden Tour - Elizabeth F. Gamble GardenDates: 04/25/202504/26/2025Time: 10:00am - 4:00pm Location: Echo Church118 Murphy AveSan Jose, CA, 93931United StatesSee map: Google MapsThe Trash Punx (Free eWaste Recycling Event) - The Trash PunxDates: 04/26/2025Time: 9 a.m. - 12 p.m. Organization: Youth Science Institute (YSI)Location: 296 Garden Hill DriveLos Gatos, CA, 95032United StatesSee map: Google MapsPhone:(408) 356-4945 Vasona Park Clean-up - Youth Science Institute (YSI)Dates: 04/26/2025Time: 10 am-12pm Organization: San Francisco Bay Wildlife SocietyLocation: PO Box 234Newark, CA, 94560United StatesSee map: Google Maps World Migratory Bird Day: The Role of Community ScienceDates: 05/11/2025Time: 11:30AM
