Flathead Lake • 2026 Spring Mack Days
2026 Spring Mack Days
Win Cash and Prizes! Thursday 3/12-5/9/2026
Sponsored by the Confederated Salish and Kootenai Tribes and sanctioned by Montana Fish Wildlife & Parks, Mack Days 2026 will take place on Flathead Lake from Thursday March 12th-Saturday May 9th. Thank you to all our anglers for a great 2025 Fall Mack Days!
New AIS Inspection Requirements
Identify
Your Catch
Lake Maps and Access Sites
Safe Boating & Launching
Your Fall 2026 Mack Days Countdown
Mack Days Newsletter
Sponsored by the Confederated Salish and Kootenai Tribes and sanctioned by Montana Fish Wildlife & Parks, Spring Mack Days will take place on Flathead Lake from March 12th to May 9th.
Camping will be available only for Mack Days anglers . Telephone 406-270-3386 for the fee schedule.
