• Big Marsh Park (map)
  • 11599 South Stony Island Avenue

Meet in parking lot off of Stony Island Ave

Join COS on a journey through one of the largest and most high quality wetlands in Chicago.

Beginning birders are welcome and we will have extra binoculars available.

RSVP here.

Trip Leader: Carl Giometti
Contact chicagiometti@gmail.com with any questions.