hiking

within 25 miles

Sep 22, 2026

Near

Distance

From

Until

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

Filters

Activity Type

Age

Kids Friendly Only

21+ Only

Participant Age Range Minimum

100

Participant Age Range Maximum

100

Cost

Any Cost Free Only

Topic

Venue Type

Host Organization

Partner Organization

Coastal Plains Institute

Adopt an Ephemeral Wetland

Monitor amphibian populations in temporary wetlands

Multiple locations, including yours!

Ongoing

Citizen ScienceAnimalsNature & OutdoorsClimate & WeatherEducationBiologyEcology & Environmentmonitoringboy scoutsgirl scoutscommunity engagementwetlandsamphibianscommunity groups

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-sciencemountainphenologyflowerswildflowersobservationsobservationmountains

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 Marineair qualityexperimentparticulate matterec2020autumnair pollution monitoringsmartphone applicationdataairclimate monitoringspringglobal warminghikingoutdoorscommunity-based monitoringweathersummerbicyclingair pollutionwinterclimatenatureweather datadatabaseclimate changecarbon dioxidegirl scoutssteminvestigationequityair quality indexsciencecitizen scienceandroidmobile applicationenvironmentiphoneenvironmental justiceappcarbon monoxideusa

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 & Outdoorsbiologyhikingbikingmountaineeringskiingresearchhikebiodiversitycampingscientistsadventurebikekayakingkayakconservation

Oregon Zoo

Cascades Pika Watch

Locate and map pika populations in Oregon

Multiple locations, including yours!

Ongoing

Citizen ScienceAnimalsClimate & WeatherNature & Outdoorsclimate changehikingwildlife conservationpika

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 & Outdoorspikaslagomorphscoloradomountainshikingalpine

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 & Environmentcommon loonglacier parkparksmontanaconservationloonnpslakesnational parkloonsnational park servicegavia immerwildlifeparkglacier national parkwaterbirdshiking

12 3 4 5…

Share Your Results

Share the list by copying the link below

Copy Link