Events

Join us for a firefly safari and see nature’s light show! Did you know that Pennsylvania is host to more than 30 species of fireflies?  Do you know why fireflies […]

Calling all artists (and non-artists too)! Sunday, June 21st the Great Marsh will be open dawn to dusk. Take a self-guided tour to paint, take photos, or simply enjoy the […]

More than mushrooms, the woods and wetlands bloom with shelf fungi, rusts, and more of these organisms that play a critical role in breaking down plant matter, helping trees grow, […]

Come join us at The Great Marsh Institute on Sunday, July 12h at 8:00 AM for our monthly bird walk. Please RSVP to lori@greatmarshinstitute.org. This will help us to organize […]

Calling all artists (and non-artists too)! Saturday, July 18th the Great Marsh will be open dawn to dusk. Take a self-guided tour to paint, take photos, or simply enjoy the […]

Grab your camera and join hobbyist photographer Hilary Vadner and Valley Forge Audubon Society vice‑president Patty Werth for a relaxed, golden‑hour photography stroll through the scenic paths of the Great […]

Calling all artists (and non-artists too)! Sunday, August 23rd the Great Marsh will be open dawn to dusk. Take a self-guided tour to paint, take photos, or simply enjoy the […]

Come join us at The Great Marsh Institute on Sunday, August 30th at 8:00 AM for our monthly bird walk. Please RSVP to lori@greatmarshinstitute.org. This will help us to organize […]

Join the Philadelphia Botanical Club (PBC)Sunday, September 6 at 10:00 AM in an exploration of the Great Marsh's plant life. See what's growing and blooming as summer turns to autumn. […]

Come join us at The Great Marsh Institute on Sunday, September 13th at 8:00 AM for our monthly bird walk. Please RSVP to lori@greatmarshinstitute.org. This will help us to organize […]

Nighthawks and bats take to the skies as night falls at the Great Marsh. They feed on the caddisflies, moths, and other flying insects that breed in the wetlands. Take […]

Calling all artists (and non-artists too)! Saturday, September 19th the Great Marsh will be open dawn to dusk. Take a self-guided tour to paint, take photos, or simply enjoy the […]