hiking

within 25 miles

Sep 20, 2026

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59 opportunities found! use fewer search filter criteria to find more opportunities

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Coastal Plains Institute

Adopt an Ephemeral Wetland

Monitor amphibian populations in temporary wetlands

Multiple locations, including yours!

Ongoing

Citizen ScienceAnimalsNature & OutdoorsClimate & WeatherEducationBiologyEcology & Environmentamphibiansmonitoringgirl scoutsboy scoutscommunity groupscommunity engagementwetlands

Appalachian Mountain Club

Appalachian Trail Flower Watch

Participate in mountain plant monitoring for climate science research

Multiple locations, including yours!

Ongoing

Citizen ScienceNature & OutdoorsBiologyEcology & EnvironmentClimate & Weathercitizen-sciencephenologyflowersmountainsmountainobservationsobservationwildflowers

2B Technologies, Inc.

AQTreks (AirQualityTreks)

Monitor air pollution levels and map air pollution around the US

Multiple locations, including yours!

Ongoing

Citizen ScienceNature & OutdoorsGeographyEducationCrowd FundingTransportationEcology & EnvironmentComputers & TechnologyClimate & WeatherChemistryOcean Water Marinebicyclingair quality indexclimate changeec2020smartphone applicationenvironmentenvironmental justiceairappcarbon dioxidecommunity-based monitoringscienceandroidinvestigationcarbon monoxideexperimentwintersummerclimate monitoringdatabaseoutdoorscitizen scienceclimateiphonenaturespringair pollution monitoringstemweatherglobal warmingweather dataair pollutiondataparticulate matterair qualityhikingusagirl scoutsautumnequitymobile application

Birdsacre Stanwood Wildlife Sanctuary

Ellsworth Maine

Ongoing

CommunityExhibitionLive ScienceBiologyGeneral ScienceVisit/Drop-In

Blue Hill Heritage Trust

Blue Hills Heritage Trust Trails

Blue Hill Maine

Ongoing

General ScienceOther

University of Maine Cooperative Extension 4-H

Bryant Pond Summer Camp

Orono Maine

Ongoing

CampWorkshopBiologyGeneral ScienceSummer

Adventure Scientists

California Biodiversity

Increase California’s biodiversity database through insect and soil collection

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentInsects & PollinatorsNature & Outdoorsbiologybikingbikeconservationmountaineeringadventureskiingbiodiversitykayakingscientistsresearchkayakcampinghikehiking

Oregon Zoo

Cascades Pika Watch

Locate and map pika populations in Oregon

Multiple locations, including yours!

Ongoing

Citizen ScienceAnimalsClimate & WeatherNature & Outdoorspikawildlife conservationhikingclimate change

Denver Zoo Conservation Alliance

Colorado Pika Project

Help us understand the impacts of climate change on pikas in CO!

Multiple locations, including yours!

Ongoing through October 31, 2026 at 6:00 AM

Citizen ScienceAnimalsEcology & EnvironmentNature & Outdoorsalpinepikaslagomorphshikingmountainscolorado

National Park Service Crown of the Continent Research Learning Center

Common Loon Citizen Science at Glacier National Park

Provide park managers with long-term status data on common loons

Multiple locations, including yours!

Ongoing

Citizen ScienceNature & OutdoorsAnimalsOcean Water MarineBiologyBirdsEcology & Environmentwaterbirdswildlifeparknpsglacier national parkconservationlooncommon loonlakesnational parkmontanagavia immerhikingglacier parkloonsnational park serviceparks

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