Fall Mack Days runs Sept 10 to Nov 8, 2026 on Flathead Lake, and the $10,000 tagged lake trout is still out there. Dates, check-in sites, prizes, licenses, and how to fish it on a guided charter.
Discover why winter is the best time to target trophy lake trout on Flathead Lake. Learn what makes a winter charter with Riverstone Outfitters an unforgettable Montana fishing experience.