Welcome to Big Marsh Park

Natural Area and Bike Park

Big Marsh Park is a Chicago Park District park, located on the Southeast Side of Chicago

Big Marsh Park is 300 acres of natural area, including eco-recreational opportunities, such as birding, hiking, and a bike park featuring mountain bike single-track trails, pump tracks, and paved bike paths. Big Marsh Park is managed by the Chicago Park District and supported by Friends of Big Marsh, a 501(c)(3) organization.

Trail Status

Bike Rental

Big Marsh Outfitter

The Friends of Big Marsh outfitter has everything you need to explore Big Marsh Park, including bike rentals, merchandise, and snacks.

Ford Calument Environmental Center

Visitors can learn more about the Calumet Region’s rich cultural and natural history by paying a visit to the new Ford Calumet Environmental Center (FCEC). The center offers a variety of public programs for all ages to enjoy, as well as classroom spaces open to school and community groups.

News & Events

Click the links below to learn more about what is happening at the park

 Go BIG! at Big Marsh Park!  Come celebrate the opening of the south jump hill at Big Marsh Park!  These six new trails include an XL competition-ready jump line and the nation’s ...

Join Alicia Frizzle of Natural Heir with an opportunity to slow down, awaken, and restore. Escape the daily rush. Join our 2.5-hour Guided Forest Therapy Walk to slow down, ease stress, and rejuvenate...

Your Support Will Make Magic On The Southeast Side

We want to take the Big Marsh experience to the next level and new heights… literally. We are embarking on a mission to complete the original vision by expanding the experiences and developing new trails on the “Big Hill”.