ALLEN PARK is a destination park located at 400 Courtney Street along the southside of the Illinois River. The over 20-acre park has many amenities including boat ramps, docks, sledding, fishing, shelters, walking path and parking.
DAYTON BLUFF PRESERVE, 2997 North Illinois Route 71. This preserve is a 253-acre natural area owned by The Conservation Foundation and leased to the city. Approximately 154-acres are wooded, the remainder a restored prairie. There are four different hiking trails totaling 7.1 miles. Almost one mile of the trail in on the Fox River shoreline. Features include a restored pioneer cemetery, a nature play/learn area, hiking trails, open space, many bluffs and ravines, several small cascades, and a parking area. For more information see Conservation Foundation website: https://www.theconservationfoundation.org/about-us/dayton-bluffs/
EAST MAIN BOAT LAUNCH is a 10-acre area at the far east end of Main Street along the Illinois River. Park contains boat ramp, docks, fishing, and parking.
In 2022 a newly designed 18-hole disc golf course. A restroom facility is located on the northside of East Superior Street.
New in 2022 a fitness court.
LINCOLN DOUGLAS PARK, 600 East Norris Drive, is a multi-use community park. The park has four baseball fields, two softball diamonds, Ottawa American Little League, batting cages, shelters by the baseball/softball fields, soccer fields, three combination tennis/pickleball courts, playground, and parking. In addition, this park also features an accessible playground with poured-in-place rubberized surface known as PIP PARK (Project Inclusive Playground).
Finally, COMING SOON a new outdoor pool.
PECK PARK, 1510 State Street, is a 20 plus acre park containing four softball diamonds, Ottawa Girls Fast Pitch Softball, baseball field, tennis courts, basketball court, playground equipment, shelter, and parking.
THORNTON PARK,1600 West Jackson Street. Newly renovated in 2022 park includes playground equipment with poured-in-place rubberized surface, splash pad, two pickleball courts, two combination tennis/pickleball courts, basketball court, shelter, chess/checkers game tables, baggo, and parking.
WALSH PARK, 509 Bellevue Avenue, has basketball court, volleyball court, fitness equipment trail, walking paths, playground equipment, horseshoe pits, fire pit, shelters, and parking on over 8-acres of parkland.
WASHINGTON SQUARE, located in downtown at 101 West Lafayette Street contains Lincoln Douglas debates statues with fountain, civil war monument and known for its beautiful landscaping. Also, two chess/checkers game tables.