Montana Fish, Wildlife & Parks has approved the following open water fishing contests for 2011. Participants must comply with state fishing regulations, including daily and possession limits.
 

Final 2011 Open Water Derbies

FWP Region 1

• March 11-May 22 Spring Mack Days on Flathead Lake
• March 27-28 1st Annual Spring Mac Mania on Flathead Lake
• April 16 Tobacco Valley Rod & Gun Salmon Derby on Lake Koocanusa
• April 30 ABA West on Noxon Reservoir
• April 30-May 1 BASS Noxon Buddy Tournament on Noxon Reservoir
• May 14-15 9th Annual Koocanusa Resort & Marina Trout & Salmon Derby on Lake Koocanusa
• May 14-15 TBF Invitational on Noxon Reservoir
• June 11-12 ABA West on Noxon Reservoir
• June 18-19 2nd Annual Father's Day Family Fishing Festival on Thompson Chain of Lakes, including Loon Lake
• July 9-10 Tobacco Valley Rod & Gun Club Fishing Derby on Lake Koocanusa
• July 30-31 Tri-state Tournament on Noxon Reservoir
• July 30 ABA West on Noxon Reservoir
• Aug. 6-7 13th Annual Great Montana Mac Attack on Flathead Lake
• Aug. 20-21 BASS Noxon Reservoir Qualifier on Noxon Reservoir
• Aug. 27-28 5th Annual Whitefish Jigfest on Flathead Lake
• Sept. 10-11 Jim's Flying Lures on Middle Thompson Lake
• Sept. 30–Nov. 13 Fall Mack Days on Flathead Lake
• Oct. 1-2 Lake Mary Ronan LM Bass Tournament on Lake Mary Ronan
• Oct. 11- Nov. 28 Snappy's Whitefish Fall Classic on the Flathead River

FWP Region 2

• June 11-12 Mister Pike Classic on Seeley Lake and Salmon Lake

FWP Region 3

• June 18 Livingston Firefighters' Annual Kids Fishing Derby on Sacagawea Park Lagoon

FWP Region 4

• May 20-22 Fort Benton Spring Classic Fishing Derby on Missouri River/Marias River
• June 11-12 Tiber Walleye Tournament on Lake Elwell
• June 11 Canyon Ferry Carp Safari on Canyon Ferry Reservoir
• June 19 Father's Day Fishing Derby on Newlan Creek Reservoir
• June 25-26 Canyon Ferry Walleye Festival on Canyon Ferry Reservoir
• July 16 Broadwater Rod & Gun Walleye Derby on Canyon Ferry Reservoir
• Aug. 6 John Arnold on Hauser Lake
• Aug. 6 Camp Mak-A-Dream Walleye Benefit on Canyon Ferry Reservoir
• Aug. 6 McKids Fishing Derby on Willow Creek Reservoir
• Aug. 13 MRF Carp Rodeo on the Missouri River

 FWP Region 5

• May 7 Yellowstone Challenge Catfish Tournament on the Yellowstone River
• July 8 Bighorn River Alliance Carp Festival on Yellowtail Lake
• July 9-10 American Bass Association on Bighorn Reservoir
• Aug. 20-21 Yellowtail Fall Finale Walleye Tournament on Big Horn Canyon Reservoir
• Oct. 1-2 Mid-Yellowstone Smallmouth Bash on the Lower Yellowstone River

FWP Region 6

• Apr. 16 Tough Guy Tournament on Fort Peck Reservoir
• May 21-22 Fresno Challenge on Fresno Reservoir
• June 4 12th Annual Milk River Catfish Classic on Milk River
• June 4-5 Fort Peck Qualifier on Fort Peck Reservoir
• June 4-5 Rock Creek Walleye Tournament on Fort Peck Reservoir
• June 11 Fishin' for the Cure on Fort Peck Reservoir
• June 25-26 11th Annual Pikemasters Public Tournament on Fort Peck Reservoir
• July 7-9 24th Annual Montana Governor's Cup Walleye Tournament on Fort Peck Reservoir
• July 16 Women's Fishing Tournament on Fort Peck Reservoir
• July 23-24 Hell Creek Tournament on Fort Peck Reservoir
• July 30 Women's Walleye Tournament on Fort Peck Reservoir
• Aug. 6-7 Fall Classic Walleye Tournament on Fort Peck Reservoir
• Aug. 27 Salmon/Lake Trout Tournament on Fort Peck Reservoir
• Sept. 24-25 TBF Invitational on Fort Peck Reservoir

FWP Region 7

• April 16-17 American Bass Association on the Tongue River Reservoir
• June 11 Savage Fire Department Cat Fishing Tournament on the Yellowstone River
• July 9 3rd Annual North Eastern MT Monster Cat Round-up on the Yellowstone River

For an online list of these contests, go to the FWP website at fwp.mt.gov on the Fish Tab and select Montana Fishing Guide.