Flathead Waters Cleanup is a Flathead Basin wide event bringing together agencies, organizations, and community members in an all-day volunteer event to clean-up trash and celebrate the region’s incredible waterways.

The 2026 Flathead Waters Cleanup will take place on Saturday, August 8th – mark your calendars! The cleanup itself will occur between 9AM and 3PM. After-Party & Prize Giveaway - 4 PM to 8 PM. After the cleanup, join us for food, drinks, and chances to win amazing prizes!

Sign up to volunteer at tinyurl.com/flatheadcleanup

Volunteers can sign us as individuals, or in teams, small groups, or families to clean up trash in any river, lake, creek, or pond in the region. When you register, volunteers can select your favorite area to clean up through an interactive mapping feature on the event website. Prizes from event sponsors will be awarded to the most unique item, submit the best photo, and other prize drawings. A full list of prizes and sponsors can be found on the event website. To be eligible for prizes, all volunteers must register prior to the event by visiting tinyurl.com/flatheadcleanup.

Visit Flathead Waters Cleanup main website to learn more about event details, region wide cleanup sites, and receive updates about prizes when they are announced. Please check back later for online registration details. We can’t wait to see you there!

Flathead Rivers Alliance is helping coordinate cleanup crews for floating sections of river and walking river access sites for the below list. If you'd like to volunteer to help on the three forks of the Flathead River on water or by foot, please email info@flatheadrivers.org.

2026 CLEANUP UP SITES & PUT-IN/TAKE-OUT ACCESS SITES FOR FLOATERS/WALKERS

Middle Fork of the Flathead River

• Blankenship River Access to House of Mystery (FLOAT)

• West Glacier River Access to Blankenship River Access (East Side) (FLOAT) -

• Blankenship NW + SW River Access (WALK) -

• Moccasin River Access to West Glacier River Access (FLOAT) -

• Belton Bridge (WALK)-

• Paola River Access to Cascadilla River Access (FLOAT)-

• Bear Creek River Access to Essex River Access/Walton Ranger Station (WALK Access Sites OR FLOAT)

South Fork of the Flathead River

• South Fork River Drive Road River Access- Under Hungry Horse Highway 2 Bridge (WALK)-

• South Fork River Drive Road Access 2- River Access Boat Launch Site below Hungry Horse Dam (WALK) -

• South Fork River Drive Access 2- Below Horse Horse Dam to South Fork River Drive Road River Access- Under Hungry Horse HWY 2 Bridge (FLOAT) -

• South Fork River Drive Road River Access- Under Hungry Horse HWY 2 Bridge to House of Mystery (FLOAT)

• Upper Twin Creek Access (FLOAT)

• Billy Garrett Memorial Bridge Access (WALK OR FLOAT) -

• Spotted Bear Campground (WALK)

North Fork of the Flathead River

• Blankenship River Access- West (WALK) -

• Blankenship River Access- East (WALK) -

• Glacier Rim River Access (WALK)-

• Glacier Rim River Access to Blankenship River Access (FLOAT) -

• Big Creek River Access to Glacier Rim River Access (WALK OR FLOAT) -

• Coal Creek River Access to Big Creek River Access (FLOAT)-

• Coal Creek River Access (WALK) -

• Polebridge River Access to Coal Creek River Access (FLOAT)

• Polebridge River Access (WALK) -

• Ford to Polebridge River Access (FLOAT)

• Border River Access (WALK OR FLOAT)

Flathead River Mainstem

• House of Mystery Access to Teakettle River Access (FLOAT)

2026 EVENT CO-HOSTS

THANK YOU TO OUR EVENT SPONSORS & PRIZE DONORS

Information coming soon!