Equinox Forest Bathing at the Arboretum
U.S. National Arboretum 24th & R St NE, Washington DCWeek of Events
WalkingTown DC
(DC) (Events DC) Events DC WalkingTown is DC’s best public tour program, featuring guided walking tours in neighborhoods throughout the District of Columbia. Join us for eight days to visit eight wards and learn about our unique city. This year, we will host more than 50 walking and biking tours in September, offering authentic and memorable tours that help residents ...
Harvest Full Moon
This year, September’s Full Harvest Moon will peak in illumination at 12:49 pm. It will be below the horizon at this time, so be sure to watch for it after sunset… it will be hard to miss! The full Moon names used by The Old Farmer’s Almanac have different origins, including Native American, Colonial American, and European sources. Traditionally, each full ...
National Public Lands Day
(National Park Service) Join us for National Public Lands Day! Since 1994, this annual event on the fourth Saturday of September has been the nation's largest single-day volunteer effort. We’ve expanded to host volunteer events September 12-October 10. Hundreds of thousands of volunteers roll up their sleeves to help preserve their public lands together through volunteer projects. This year’s theme ...
Sunday, September 20, 2026
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September 20, 2026 -Sunday Morning Bird Walk at Dyke Marsh
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September 20, 2026 -Equinox Forest Bathing at the Arboretum
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September 20, 2026 -Spy Hike
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September 20, 2026 -Invasives Removal at Fletcher’s Cove
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September 20, 2026 -Fall Equinox Sound Bath (Waitlist)
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September 20, 2026 -Sligo Creek Clean Sweep
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September 20, 2026 -Kayak Cleanup at Hunting Creek
Sunday Morning Bird Walk at Dyke Marsh
(VA) (Friends of Dyke Marsh) Join FODM for a bird walk every Sunday at 8 a.m. The Dyke Marsh Wildlife Preserve is a freshwater, tidal marsh on the Virginia side of the Potomac River in Fairfax County. It is a unit of the George Washington Memorial Parkway, U.S. National Park Service. Meet in the Belle Haven Park south parking lot.
Equinox Forest Bathing at the Arboretum
(DC) (Friends of the National Arboretum) Join our nature and forest therapy guide for a special Autumn Equinox Forest Bathing session. Forest bathing, or shinrin yoku, is the simple practice of taking in the woods through the senses. The benefits are immense: boosted immunity, lowered blood pressure, and improved attention and mood. Our forest bathing walks are around two hours ...
Spy Hike
(DC) (National Park Service) Does a chilly, rainy day in Washington have you picturing furtive meetings between shadowy characters under overcast skies? Running along Embassy Row, Rock Creek Park has been the site of spy stories and neighbor to many spies. Join a Park Ranger for a hike through Rock Creek and learn the story of spies in America’s Back ...
Invasives Removal at Fletcher’s Cove
(DC) (National Park Service) Join us in celebration of National Public Lands Day by removing invasives! We will be focusing our efforts on Fletcher's Cove, working to remove Kudzu, an invasive vine.
Fall Equinox Sound Bath (Waitlist)
(MD) (DC Bird Alliance) Welcome the changing season with a different kind of nature experience. Our friends at Willow Street Yoga invite the community to gather for a special Fall Equinox Sound Bath, with proceeds benefiting the chapter. Sound baths use resonant tones, vibrations, and layered sound to support deep relaxation and meditation. No bird identification. No binoculars. No miles ...
Sligo Creek Clean Sweep
(MD) (Friends of Sligo Creek) During the Spring and Fall Sweep the Creek events, hundreds of people come out to help rid the park of trash, keep the water clean for wildlife and plants and experience the wonders of Sligo Creek in a new way. FOSC volunteers don gloves, boots, even waders, to collect an amazing variety of plastic, metal, ...
Kayak Cleanup at Hunting Creek
(VA) (Northern Virginia Conservation Trust) Help NVCT and the Potomac Conservancy clean up the Hunting Creek watershed adjacent to Interstate 495! The trash and debris that pile in from the Potomac River and Cameron Run harms the environment and hinders outdoor activity around the area. We hope you'll jump in a single or double kayak and join us for our ...
Monday, September 21, 2026
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September 21, 2026 -Wandering Warblers Bird Walk
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September 21, 2026 -Volunteer at Earth Sangha
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September 21, 2026 -Mussel Survey in Kingman Lake
Wandering Warblers Bird Walk
(VA) (NOVA Parks) With Fairfax County schools closed, why not be an early bird and join NOVA Parks' Roving Naturalist to search for migrating warblers, a family of small insect-eating birds that often display striking plumage! September is the peak month for fall migration. Learn the stories of these lightning fast little beauties, and where they explore when they're not ...
Volunteer at Earth Sangha
(VA) (Earth Sangha) Earth Sangha's Wild Plant Nursery is the region's most comprehensive effort to propagate native plants directly from local forests and meadows. Volunteers help collect native plant seeds in forests and meadows, clean seeds in preparation for planting, help maintain the nursery, and remove invasives. Our goal is for each volunteer, whether they regularly join our work or ...
Mussel Survey in Kingman Lake
(DC) (Anacostia Watershed Society) You will help AWS with a wild freshwater mussel survey in Kingman Lake! We will be walking in mud that can be very mucky in waders (AWS can provide you with a pair if you don’t have your own). If you’re not comfortable walking in mud using waders, we recommend joining us at a different event. ...
Tuesday, September 22, 2026
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September 22, 2026 -Tuesday Morning Bird Walk at Kenilworth
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September 22, 2026 -Mussel Survey in Kenilworth Lake
Tuesday Morning Bird Walk at Kenilworth
(DC) (National Park Service) We invite you to join National Park Service volunteer and expert birder Molly Hermann for an engaging bird walk at Kenilworth Aquatic Gardens. This event is open to all, including those new to birding. We encourage participants to bring water, sunscreen, and binoculars if available. A limited number of binoculars are available for loan with a photo ID. ...
Mussel Survey in Kenilworth Lake
(DC) (Anacostia Watershed Society) You will help AWS with a wild freshwater mussel survey in Kenilworth Lake! We will be walking in mud that can be very mucky in waders (AWS can provide you with a pair if you don’t have your own). If you’re not comfortable walking in mud using waders, we recommend joining us at a different event. ...
Wednesday, September 23, 2026
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September 23, 2026 -Urban Tree Summit
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September 23, 2026 -Butterfly and Dragonfly Survey at Dyke Marsh
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September 23, 2026 -Mussel Survey in Heritage Marsh
Urban Tree Summit
(MD) (Casey Trees) (Montgomery Parks) Learn from industry-leading experts on their research and contributions at the Urban Tree Summit. All arborists, landscape industry professionals, environmental/green industry professionals, engineers, designers, housing developers, students, and interested citizens are invited to take advantage of this opportunity to learn from experts, experienced peers, and local, tree-focused, and mission-driven organizations. This is an all-day conference ...
Butterfly and Dragonfly Survey at Dyke Marsh
(VA) (Friends of Dyke Marsh) Join our volunteer team once a month, 8:30 a.m. to 12 noon, and help count butterflies and dragonflies in Dyke Marsh on September 23rd and October 21st. Surveyors do not need experience or specialized knowledge. Meet in the south Belle Haven Park parking lot. Wear sturdy shoes, bring water, sun and insect protection and a snack. Binoculars, ...
Mussel Survey in Heritage Marsh
(DC) (Anacostia Watershed Society) You will help AWS with a wild freshwater mussel survey in Heritage Marsh! We will be walking in mud that can be very mucky in waders (AWS can provide you with a pair if you don’t have your own). If you’re not comfortable walking in mud using waders, we recommend joining us at a different event. ...
Thursday, September 24, 2026
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September 24, 2026 -Anacostia River Discovery Boat Tour
Anacostia River Discovery Boat Tour
(DC) (Anacostia Watershed Society) Join the Anacostia Watershed Society for a 1-hour Anacostia River boat tour to explore the ecological and historical changes that have occurred in the river and in the communities around the river. We will have the opportunity to witness some of the restoration of river habitats and how it has caused the rebound of the wildlife.
Friday, September 25, 2026
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September 25, 2026 -Little Tyke Hike in Rock Creek Park
Little Tyke Hike in Rock Creek Park
(DC) (National Park Service) Bring your little ones to learn about the forest and how to explore nature! This program includes books, animal puppets, magnifying glasses, and a very short hike. During the walk, children are encouraged to search for shapes and colors and use their senses to explore the forest. Recommended for families with children 6 and under.
Saturday, September 26, 2026
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September 26, 2026 -Invasive Species Removal at Langdon Park
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September 26, 2026 -Volunteer Day at Kenilworth
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September 26, 2026 -Rock Creek Park Tree Tour with Melanie Choukas Bradley
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September 26, 2026 -Cleanup at Carter Barron Amphitheatre
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September 26, 2026 -Annual Fall Stream Cleanup at Barcroft
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September 26, 2026 -Late Skate at Anacostia Park
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September 26, 2026 -Mussel Release in Kenilworth Lake
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September 26, 2026 -Weed Wrangle at Trail 9
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September 26, 2026 -Friends of Peirce Mill Picnic in the Park
Invasive Species Removal at Langdon Park
(DC) (Casey Trees) Join CCAN, The Langdon Park Forest Stewards, and Casey Trees to get outside and remove invasive plants! Take part in the exciting Assisted Natural Regeneration efforts happening to restore the forest at Langdon Park in NE DC. We will meet at the parking lot of the Langdon Park Rec Cente. We will start with a brief training ...
Volunteer Day at Kenilworth
(DC) (National Park Service) Join us for a morning of stewardship volunteering at Kenilworth Aquatic Gardens! Participate in a variety of park stewardship activities including invasive plant removal, litter collection, flower bed weeding, trail maintenance and more. All necessary tools and supplies will be provided.
Rock Creek Park Tree Tour with Melanie Choukas Bradley
(DC) (Casey Trees) Join naturalist and author Melanie Choukas-Bradley for a guided walk through the rich landscapes of Rock Creek Park. This Field Session is a part of the 2026 Urban Tree Summit, hosted by Casey Trees and Montgomery Parks. The immersive tour invites participants to slow down and observe the intricate relationships between native trees, understory plants, and wildlife. ...
Cleanup at Carter Barron Amphitheatre
(DC) (Rock Creek Conservancy) Please join Rock Creek Conservancy and the National Park Service, for a cleanup of the Carter Barron amphitheater. We will remove debris, paint, clear leaf litter, weed, sweep, and trim back invasive plants, helping preserve the amphitheater while it awaits future restoration. This is a unique opportunity to get a 'behind the scenes' look at the ...
Annual Fall Stream Cleanup at Barcroft
(VA) (EcoAction Arlington) Help protect Arlington’s waterways! We’ll document every piece of litter collected with the CleanSwell app (we’ll also have sheets on site) to support local stormwater efforts and reduce pollution in our streams. It’s a hands‑on way to make a real impact, learn about watershed health, and connect with neighbors who care about the environment. Be part of ...
Late Skate at Anacostia Park
(DC) (Friends of Anacostia Park) Come get your skate on! Join Friends of Anacostia Park, the National Park Service, and our community partners for a day of music, recreation and kinship in DC's most storied skating venue.
Mussel Release in Kenilworth Lake
(DC) (Anacostia Watershed Society) Volunteers will help AWS to release freshwater mussels into the Anacostia River! In 2018 we started a mussel propagation project partnering with the Harrison Lake National Fish Hatchery run by the U.S. Fish and Wildlife Service in Virginia collecting local broodstock from the Anacostia River. Volunteers are critical to keep this project going and to meet ...
Weed Wrangle at Trail 9
(DC) (Rock Creek Conservancy) Join Rock Creek Conservancy, the National Park Service, and fellow Weed Warriors for this invasive plant removal restoration event in Rock Creek Park. Invasive plants are a major threat to our fragile forests, and stopping their spread helps allow native plants to thrive in the understory. This event is part of an area-wide volunteer-powered effort to ...
Friends of Peirce Mill Picnic in the Park
(DC) (Friends of Peirce Mill) Bring a picnic supper to Peirce Mill, enjoy a free concert, and savor the waning days of summer in Rock Creek Park.
