Please join us next weekend to help get the trails clean up around the Great Marsh. Due to COVID we won't be able to provide food, but feel free to […]

Due to COVID, we only have 8 spots available for the bird walk in October. If you are interested in joining our bird walk please email us at: greatmarshinstitute@gmail.com to […]

Due to COVID, we will keep the group small and if need be split the group to only have 8 people per group.

Due to COVID we will keep the group small. If the group is to big we will split into two groups. Join local birding expert Mike Coulter as he guides […]

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 […]

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 […]

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. […]

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 […]

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 […]

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 […]

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 […]

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 […]