Cooney State Park 
86 Lake Shore Road
Roberts, MT 59070
406-445-2326
http://stateparks.mt.gov/cooney/
State Park: Birding, Camp, Fish, Hike, Picnic, RV, Walk, Water Sports
Head to this irrigation reservoir, 40 minutes south of Billings to boat, play in the water, camp, and fish. The most popular recreation area serving south-central Montana, it’s always a busy place in the summer. Attractions include good walleye and rainbow trout fishing. Boating opportunities are abundant, and lots of camping space is available.