Black Sandy State Park 
6563 Hauser Dam Road
Helena, MT 59602
406-495-3270
http://stateparks.mt.gov/black-sandy/
State Park: Birding, Camp, Fish, Hike, Picnic, Walk, Water Sports
This popular campground provides access for boating, kokanee salmon and trout fishing, and waterskiing. Interpretive displays describe the history of this area.