Arlington Heights Park District

Buffalo Grove Park District

Chicago Botanical Garden

Chicago Park District

Forest Preserve Districts
Forest Preserve District of Cook County (Clonk's Unofficial Site)
Forest Preserve District of Cook County (Northwestern University Unofficial Site)
Forest Preserve District of DuPage County
Forest Preserve District of Kane County
Forest Preserve District of Kane County Bike/Nature Trails
Forest Preserve District of Lake County
Forest Preserve District of Lake County Trail Maps
Lake County Online Guide to Lake County Forest Preserves (Unofficial Site?)

Glen Ellyn

Hoffman Estates Park District

Hoffman Estate Park District - Poplar Creek Country Club

Illinois Prairie Path

Lake County Online
Lake County Online Guide to Lake County Forest Preserves

Lake-Link.com

Morton Arboretum

Mount Prospect Park District

Palatine Park District

Prospect Heights Park District

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Other Helpful Links

Local
Illinois Association of Park Districts (IAPD)
Illinois Department of Natural Resources
Illinois Environmental Protection Agency
Illinois Natural History Survey
Illinois Nature Preserves Commission
Illinois Prairie Path Homepage
The Nature Conservancy, Illinois Chapter
NorthStarNet.org Listing (List of Park Districts?)

 

National
Hiking and Walking Homepage
International Wildlife Education & Conservation
National Recreation and Parks Association
National Park Service
National Wildlife Refuge System
Sierra Club
U.S. Environmental Protection Agency
U.S. Fish and Wildlife Service
USDA Forest Service
USDA Natural Resources Conservation Service

 

Yahoo: +"forest preserves" +illinois