Winter Plant and Tree ID Walk

Diana Cormack, a PA Master Naturalist trainee, will be leading a walk to learn how to ID plants and trees in the late winter on trails around the Great Marsh. We will keep this walk to 10 participants so please RSVP to: greatmarshinstitute@gmail.com

March Bird Walk

Due to COVID we will keep the group small. If the group is to big we will split into smaller groups. Join local birding expert Mike Coulter as he guides us through the Great Marsh, an ancient periglacial marsh and the largest marsh in Southeastern Pennsylvania. This event is hosted by the Great Marsh Institute, […]

GMI Spring Trail Clean-up

GMI Spring trail clean-up March 20-21, 2021 Please join us the weekend of March 20-21 to help get the trails cleaned up around the Great Marsh. Due to COVID we won't be able to provide food, but feel free to bring a picnic lunch. Also bring your own tools (clippers, weedwackers, chainsaws and/or hedge trimmers) […]

April Bird Walk

Come join us at the Great Marsh for our monthly bird walks. The Great Marsh is a premier birding location in Chester County and to date has recorded over 185 bird species. Migration is ramping up in April and some of the more interesting species we can expect to find include: Blue-winged Teal, American Black […]

Nature Hike

Great Marsh Institute 28 MOORES RD, Elverson, PA

Come join Diana Cormack, a PA Master Naturalist trainee, on a nature walk around the Great Marsh. Bring binoculars if you have them to help ID the birds and bring any plant ID books to help with identification. Also boots are always a good choice as we have lots of springs on the property. We […]

Nature and Photography Walk

Come join Jim Moffett, a local photographer and naturalist, for a walk around the Great Marsh to learn about taking nature photography. We will keep this walk to 10 participants so please RSVP to: greatmarshinstitute@gmail.com

May Nature Hike

Great Marsh Institute 28 MOORES RD, Elverson, PA

Come join Diana Cormack, a PA Master Naturalist trainee, on a nature walk to learn more about the Great Marsh, an ancient periglacial marsh and the largest marsh in Southeastern Pennsylvania. This event is hosted by the Great Marsh Institute, a non-profit with the mission of supporting scientific studies and educational opportunities. Bring binoculars if […]

May Bird Walk

Great Marsh Institute 28 MOORES RD, Elverson, PA

Come join us at The Great Marsh for our monthly bird walk on Sunday, May 17th at 7:00AM. The tail end of migration will still be happening and we have recorded 132 species during the month of May here at the Great Marsh. Past sightings of note during the 3rd week of May include: Yellow and Black-billed […]

June Bird Walk

Great Marsh Institute 28 MOORES RD, Elverson, PA

Come join us at The Great Marsh Institute on Sunday, June 13th at 8:00 AM for our next monthly bird walk. June brings the peak of breeding season to the area and we will be searching to see as many as the 81 species that have been recorded during June in years past. Some of the […]

July Bird Walk

Great Marsh Institute 28 MOORES RD, Elverson, PA

Come join us at The Great Marsh Institute on Sunday, July 11th at 8:00 AM for our next monthly bird walk. July can be relatively silent but rest assured that many of the breeding birds on the property can still be seen by the observant birder. There is also a chance to see post breeding […]

August Bird Walk

Great Marsh Institute 28 MOORES RD, Elverson, PA

Come join us at The Great Marsh Institute on Sunday, August 15 at 8:00 AM for our monthly bird walk. Please RSVP to lori@greatmarshinstitute.org. This will help us to organize and keep groups small. The Great Marsh Institute is located at: 28 Moores Road Elverson, PA 19520 Please note that the property is private but […]

Nature Walk

Great Marsh Institute 28 MOORES RD, Elverson, PA

Come join Diana Cormack, a PA Master Naturalist trainee, and walk in the Great Marsh to identify non-native introduced species, not necessarily just plants, and discuss their impact on this unique habitat.  We’ll also look for fall blooming natives like goldenrod. Please RSVP to lori@greatmarshinstitute.org. This will help us to organize and keep groups small. […]