Due to weather conditions we are postponing our first Star Party to March 13. We apologize for any inconvenience. The sky's the limit on February 13 as we open the […]

Calling all photographers, painters, and artists! Saturday, February 21st the Great Marsh will be open dawn to dusk for all interested artists (non-artists are welcome too). Take a self-guided tour […]

Come join us at The Great Marsh Institute on Sunday, February 22nd at 8:00 AM for our monthly bird walk. Please RSVP to lori@greatmarshinstitute.org. This will help us to organize […]

RSVPs have exceeded our capacity, so we are placing anyone who RSVPs at this point on a waiting list. Thank you for your interest in the Woodcock Sit; please keep […]

The sky’s the limit on March 13 as we open the GMI observatory to gaze at the stars. Bring your own telescope or see the stars and planets with GMI’s […]

Come join us at The Great Marsh Institute on Sunday, March 15th 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, March, 21st the Great Marsh will be open dawn to dusk. Take a self-guided tour to paint, take photos, or simply enjoy the […]

Welcome to the Third Annual Great Marsh Mud Mosey which feature a 5Kish run throughout a very unique private property in Northern Chester County.  The race proceeds will be donated […]