Trophy walleyes and a surging smallmouth bass fishery await anglers adventuresome enough to tackle the vastness of eastern Montana’s Fort Peck Reservoir on the Missouri River. It has two main arms and a stem-to-stern length of 130 miles. Walleyes up to 10 pounds are possible here, but fish concentrations are patchy. The best tactic is covering a lot of water by bottom-bouncing live bait or trolling lures with downriggers or planer boards. Low water has slowed the smallmouth fishing some, but a good runoff year will produce a fish explosion. Sweet Spots: Hell and Nelson Creeks on Rock Creek Arm What’s Hot: Live minnows or crawlers on bottom bouncers Local Advice: “If the main reservoir is slow, try the dredge cuts below the dam,” says Jim Satterfield, regional supervisor for Montana Fish, Wildlife and Parks. Prime Time: June and September Record Fish: 6.6-pound state-record smallmouth More Info: Glasgow Chamber of Commerce, 406-228-2222