AIS Check Stations
(Locations and Hours)

Ravalli, MT
Hwy 93, next to the highway maintenance shop in Ravalli, MT
Opens: March 12th Closes: October 17th
Hours: Daylight
Mandatory Class I Inspection Station—full inspection and decontamination capability

Thompson Falls, MT
Opens: April 24th Closes: September 19th
Hours: Daylight
Mandatory Class I Inspection Station—full inspection and decontamination capability

Polson, MT
AIS inspections will be done in Polson Monday through Thursday during work hours. Anglers need to call ahead. The CSKT office is at 406 6th Avenue East, Polson (406) 883-2888 ext 7200 or 7237 or 675-2700 ex 7200 or 7237.
Courtesy Station, inspection and routing as needed

Kalispell, MT
MFWP Region 1 Office, 490 N Meridian Rd, Kalispell
Opens: March 1st
Monday through Friday, 8 a.m. to 5 p.m.
Courtesy Stations, inspection and routing as needed.

Update on Blue Bay

There are no restrictions at Blue Bay. It is open to all anglers

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Mack Days Events

2021 SPRING MACK DAYS
LAKE TROUT FISHING EVENT/CONTEST

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

Up to $225,000 in Cash and Prizes 

March 19th to May 16th
View the Event Poster for details on prizes, etc.


Fish every day!
Fish Mondays to Thursdays for tagged fish and bonus totals.
Fish Friday to Sundays for lottery, tagged fish, bonuses, and special categories including top angler.


2021 SPRING MACK DAYS
LAKE TROUT FISHING EVENT/CONTEST
ON FLATHEAD LAKE
Sponsored by the CSKT and sanctioned by MFWP

Up to $225,000 in Cash and Prizes 
View the Event Poster for details on prizes, etc.

March 19th through May 16th


THANK YOU TO ALL OUR ANGLERS FOR ANOTHER GREAT Fall MACK DAYS!
The Fall 2020 event had a total of 14,821 lake trout entries. Visit the Stats page for information on the Fall 2020 stats.


Your Spring 2021 Mack Days Countdown

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