Wheaton is known for its mature trees and excellent access to protected natural landscapes.
* **Lincoln Marsh Natural Area**: Over 130 acres of woodlands, prairies, and wetlands situated near the center of the city, offering unpaved trails, birdwatching, and a challenge course. * **Danada Forest Preserve**: Located on the city's south side, this expansive preserve features an equestrian center, open prairies, and miles of trails. It was formerly the estate of Daniel and Ada Rice, who bred the 1965 Kentucky Derby winner, Lucky Debonair. * **Herrick Lake Forest Preserve**: Bordering Wheaton, this is one of the county's most popular preserves, featuring mature forests, hiking trails, and picnic grounds.