From ArborWiki

Get out of your house and away from your computer and play in the parks!

Washtenaw County has a lot of parks, ranging from the larger Waterloo State Recreation Area and Hudson Mills Metropark to tiny neighborhood parks, and they're all(?) pretty!

See also:

• places you can go sledding.
• Border to Border Trail
• Parks and Recreation page at Ann Arbor City Government site.
• Map of Ann Arbor Parks