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Keep Your Fish On Ice!
All fish entries are required to be kept on ice. Ice should be
layered in coolers. Please keep coolers cleaned.

Fish should be at 40 degrees internally when entered. We will be checking the temperatures of the fish when entered. Each angler has the option of donating their fish to be processed or keeping their fish. Warm fish will not be accepted for donation.

Live well water pumped in from the surface of the lake is not cool enough to keep the fish at a cool enough temperature (40 degrees). Ice needs to be added to the water or the fish need to be kept in a cooler with ice.
Freeze several bottles of water to use in your cooler if you cannot purchase ice for the cooler.
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2015 Fall MACK DAYS


Sponsored by the Confederated Salish & Kootenai Tribes and
sanctioned by Montana Fish , Wildlife, and Parks

Up to $150,000 in Cash and Prizes Awarded 
One $10,000 & Three $5,000 Prizes; Five $1000 Prizes and Over Six Thousand $500 to $100 Tagged Lake Trout

September 25th through November 15th

Friday, Saturday, & Sunday
will be competitive Mack Days for lottery, prizes, tagged fish and bonuses,
as has been the case in the past.
Your best 15 days during the Friday-Sunday period count for
the lottery, top angler, and other prizes.

New for the Fall Event
Tuesday, Wednesday, Thursday
will be bonus days, which also includes tagged fish.
Your bonus amount comes from all days fished.
Totals for Fri-Sun and Tues-Thurs will be kept separate until the end of the event
and then totaled together for a bonus total.
No tickets for Tues-Thurs, just bonuses.

Weekend Drawings will be for $300 and $200.
Drawings will be held each week with witnesses present and names announced.
Tickets can then be put into the drawing tumbler to save time on the last day.


Check in stations at Somers, Wayfarers, Big Arm, Blue Bay, & Polson

All it takes is one fish to win!


Anglers need to be aware that turning in a bull trout during the 2015 Spring Event will be a violation and will be turned in to the proper authorities. Tickets and fines will be issued. Bull trout by catch is something we all want to avoid and need to avoid. It is an angler’s responsibility to know the identifying characteristics of bull trout. The Spring Events is when we see the small bull trout that are very similar to small lake trout. You have to look at more than color. Check out the bull trout ID page.

It is very important to correctly identify each fish you catch-especially the smaller fish. It can be difficult to tell small bull trout from small lake trout. If you are in doubt about the identity of the fish, put it back. We had an unacceptable level of bull trout catch and harvest during past contests. This undermined our objective to benefit native fish and threatens the future of the contests.

  • Bull trout have no black spots on the dorsal fin, and orange spotting on the sides of the fish can be very light and difficult to see.
  • Examine the top of the back. Spots on a bull trout will be distinctly rounded and uniform.
  • Flatten the tail out wide. Bull trout will have a tail that is squarer than lake trout. Although some smaller bull trout will have a slight V shape and be confused with lake trout.
  • Please carefully study the fish ID page on this website.

We are required to report all bull trout entries to the authorities. Let’s strive for zero mistaken identities this year!


Watch the Trout Unlimited Bull Trout Public Service Announcement


Please stay at least 300 feet from the Biological Station's two new instrumented buoys in Flathead Lake to prevent entanglement of your fishing lines with the cable that goes from the surface of the buoy to the lake bottom and to avoid damaging this expensive equipment. For more information click here.

Webcams show boats frequent the area around the midlake buoy, which is troublesome because they could easily destroy the instrument accidentally by entangling a fishing line on the electrical cable that goes from the buoy to the lake bottom. The second buoy is west of Woods Bay, which is a very popular fishing site. So please take care to stay at least 300 feet away from these very important and very expensive instrumented buoys.

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