The seventh week of the 2026 Fall Mack Days fishing event has seen 18,899 lake trout entries, aiming to reduce non-native trout in Flathead Lake. The event runs until November 8th, with tagged fish prizes up to $10,000. Anglers are competing for various prizes, including categories for smallest and largest fish.

Week 5 of the 2026 Fall Mack Days event reported 13,535 lake trout entries, aiming to reduce non-native lake trout for native species support. The event runs until November 8, 2026, with numerous tagged fish prizes available. Top anglers include Terry Krogstad and Julie Perkins leading their respective categories. Safety reminders for anglers are included.

The 2026 Fall Mack Days event is in week 4 of 9, with 11,225 lake trout turned in. Terry Krogstad leads with 875 entries, vying for a $10,000 tagged fish still in the lake. Weekend drawing winners received cash prizes, and various competitions are ongoing for top anglers, ladies, and youth.

The fish are biting, the numbers are climbing, and somewhere in the depths of Flathead Lake, a $10,000 lake trout […]

The 2026 Fall Mack Days fishing event at Flathead Lake runs from September 10 to November 8, organized by the CSKT and Montana Fish, Wildlife, and Parks. The tournament encourages lake trout management with cash prizes, bonus payouts, and lottery drawings. Registration is free, and various categories reward participation and performance.