Chatfield State Park 
11500 N Roxborough Park Rd.
Littleton, CO 80125
303-791-7275
http://cpw.state.co.us/placestogo/Parks/Chatfield
State Park: Bike, Birding, Camp, Fish, Hike, Picnic, RV, Walk, Water Sports
Includes camping, a full-service livery, miles of hiking and biking trails, a popular lake, the Chatfield marina and one of the most popular hot-air balloon launch areas on the Front Range.