hiking

within 25 miles

Sep 30, 2026

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58 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 & Environmentwetlandsamphibianscommunity groupsboy scoutscommunity engagementmonitoringgirl scouts

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-scienceflowersobservationsobservationmountainmountainswildflowersphenology

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 Marineparticulate matterhikinginvestigationcitizen sciencespringoutdoorsstembicyclingappcarbon monoxidewinterclimate changeequityiphoneweatherclimatemobile applicationweather dataexperimentcarbon dioxideair pollution monitoringgirl scoutsclimate monitoringautumnair pollutionec2020natureusasmartphone applicationandroidcommunity-based monitoringsummerair qualityenvironmental justicedatadatabaseairglobal warmingair quality indexscienceenvironment

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 & Outdoorskayakhikebiodiversityskiingconservationmountaineeringbiologykayakingadventurescientistsbikingcampinghikingresearchbike

Oregon Zoo

Cascades Pika Watch

Locate and map pika populations in Oregon

Multiple locations, including yours!

Ongoing

Citizen ScienceAnimalsClimate & WeatherNature & Outdoorswildlife conservationclimate changepikahiking

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 & Outdoorsalpinecoloradomountainslagomorphshikingpikas

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 & Environmentnational park servicewildlifehikingconservationwaterbirdsparkglacier parkglacier national parklakesloonparksnational parkgavia immerloonsmontanacommon loonnps

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