Help restore a natural area by removing nonnative vegetation or collecting seed as part of the Passport to Adventure Program. Ages 8 and up; under 14 with an adult. To register, call (630) 933-7681 at least five business days in advance; groups of five or more must call 10 business days in advance. For information on volunteering or the required waiver call (630) 933-7681 or download the Waiver Form. Directions: Meet in the northwest section of the main parking lot located at 3609 Spring Road. From York Road head west onto Spring Road (at Graue Mill) and proceed 1/2 mile to the main entrance on the right.
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