- 2023 - FALL MACK DAYS SEPT 14 - Nov 12 Flathead Lake UP TO $200,000 IN CASH + PRIZES (0) $10,000 & (3) $5,000 & (5) $1000 awards plus over (9,000) $500 to $100 Tagged Lake Trout. SPONSORED For Rules, Prizes, Check-in Sites or to Register, go to: www.mackdays.com or call 675-2700 EXT. 7294 - FISH, W Catch the $10,000 Fish! Sponsored by CS&KT GE ISH WILD Freetel Visim ON UNITSAL SANC THA PERTAN BY AFA BY 147335 - 2023 - FALL MACK DAYS SEPT 14 - Nov 12 Flathead Lake UP TO $ 200,000 IN CASH + PRIZES ( 0 ) $ 10,000 & ( 3 ) $ 5,000 & ( 5 ) $ 1000 awards plus over ( 9,000 ) $ 500 to $ 100 Tagged Lake Trout . SPONSORED For Rules , Prizes , Check - in Sites or to Register , go to : www.mackdays.com or call 675-2700 EXT . 7294 - FISH , W Catch the $ 10,000 Fish ! Sponsored by CS & KT GE ISH WILD Freetel Visim ON UNITSAL SANC THA PERTAN BY AFA BY 147335