Lake Koocanusa Tournaments
Montana contest dates, posted scores and ramps for Lake Koocanusa.
- 0upcoming
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- 1hosts
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Lake Koocanusa contests on the Montana calendar
Lake Koocanusa turns up 1 dated event on the Montana lists, 0 still ahead, plus 0 posted results. Koocanusa Resort and Marina put fields on Lake Koocanusa. Start spots on the Montana pages: Libby.
Finished contests on Lake Koocanusa
| Date | Event | Host | Start point | County |
|---|---|---|---|---|
| 2026-05-16 to 2026-05-17 | Koocanusa Resort and Marina 22nd Annual Trout & Salmon Derby | Koocanusa Resort and Marina | Libby | Lincoln County |
FWP approved 2026 open-water list and ice list; approval does not mean a result was published.
For the trout herePiscifun Carbon XT ultralight spinning reel25% OFFSale $59.99 The Montana water under the Lake Koocanusa events
The FishMT page gives Lake Koocanusa 28,723 acres. Lake Koocanusa sits within FWP's Western fishing district for FWP rule purposes. Locate Lake Koocanusa on the Montana map in Lincoln County.
Anglers 12 and older buy a Conservation License, an aquatic invasive species pass and a fishing license; the 2026 Montana Fishing Regulations prints $8, $2 and $21 for a resident full season and $10, $7.50 and $100 for a nonresident. The mapped outline here is the Montana part; the water reaches British Columbia (Canada).
Montana water-level feeds for Lake Koocanusa
USACE readings for Lake Koocanusa, Nov. 12, 12:00 p.m. MST.
USACE Access to Water (water.usace.army.mil), dated readings as served, read November 12, 2026. Not live.
Size as the FWP FishMT page for Lake Koocanusa prints it (FishMT), read November 12, 2026.
Montana FWP FishMT waterbody page for Lake Koocanusa, read November 12, 2026.
Keeper rules on Lake Koocanusa under the 2026 booklet
The rules here are from the 2026 Montana Fishing Regulations, valid March 1, 2026 through the end of February 2027; FWP had published no 2027 booklet when this was checked.
The booklet lines that replace the district standard on Lake Koocanusa
| Heading as printed | Section | Rule as printed | Booklet page |
|---|---|---|---|
| LAKE KOOCANUSA | General | Bull trout: Catch-and-release only (all bull trout must be released with no delay). A Lake Koocanusa bull trout Catch Card must be in possession when fishing for bull trout. See bull trout page 13. It is unlawful to possess a live bull trout for any reason. | 36 |
| LAKE KOOCANUSA | General | Kokanee salmon: 50 daily and 100 in possession. | 36 |
Read the exception line first; the district chart yields to it.
2026 Montana Fishing Regulations, p. 36 (valid March 1, 2026 through February 28, 2027; FWP PDF), read November 12, 2026.
Ramps, sponsors and counties on Lake Koocanusa
Hosts on Lake Koocanusa
Counties that host Lake Koocanusa fields
Tournament rigging for Lake Koocanusa
Spinner harnesses
Trolled walleye rigs
Deep crankbaits
Diving plugs for suspended fish
Lead-core line
Gets trolled baits down
Rod holders
Boat mount for trolling
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Other Montana contest waters beyond Lake Koocanusa
- Ackley Lake2 dated rows
- Bull Lake (Lincoln County)1 dated row
- Canyon Ferry Lake6 dated rows
- Clark Canyon Reservoir1 dated row
- East Fork Reservoir1 dated row
- Echo Lake (Flathead County)2 dated rows
- Flathead Lake3 dated rows
- Flathead River1 dated row
- Fort Peck Lake21 dated rows
- Fresno Reservoir2 dated rows
- Hauser Reservoir1 dated row
- Hebgen Lake2 dated rows
- Lake Mary Ronan2 dated rows
- Lion Lake1 dated row
- McGregor Lake1 dated row
- Milk River1 dated row
- Murphy Lake1 dated row
- Nelson Reservoir (Phillips County)1 dated row
- Newlan Reservoir1 dated row
- Noxon Rapids Reservoir6 dated rows
- Smith Lake2 dated rows
- Spotted Eagle Lake1 dated row
- Tiber Reservoir3 dated rows
- Tongue River Reservoir2 dated rows
- Willow Creek Reservoir (Lewis and Clark County)2 dated rows
- Yellowstone River7 dated rows
Big Sky shorelines and trout-stream riffles around Lake Koocanusa, photographed
Photo: Tony Webster, CC BY 2.0
Photo: Nicolas Henderson, CC BY 2.0
Photo: Brandon Olafsson, CC BY 2.0
Photo: GlacierNPS, Public domain
Shorelines near the Lake Koocanusa Montana weigh-ins, photographed
Photo: Spend A Day Touring, LLC, CC BY-SA 2.0
Photo: greg westfall, CC BY 2.0
Photo: Ethan Kan, CC BY-SA 2.0
Photo: David Wilson, CC BY 4.0
Montana questions about Lake Koocanusa
How many dated rows does Lake Koocanusa carry?
1 dated event on file, 0 still ahead, plus 0 posted results.
Which entry date on Lake Koocanusa is closest?
No later date is printed in the FWP lists or host pages read; the weekly check adds one when it appears.
Are scores on Lake Koocanusa in pounds?
Each organizer picks its own format: two-angler walleye teams are posted in pounds, Mack Days counts lake trout entered and salmon events post weights. Scores appear as printed and are not averaged.
Which clubs visit Lake Koocanusa?
Koocanusa Resort and Marina.
Where are catches on Lake Koocanusa recorded?
The hosts print Libby; the rest of the start details stay with each sponsor.
What was posted most recently from Lake Koocanusa?
No posted result is on file for this water so far.
Does an entrant on Lake Koocanusa buy a Montana license?
Anglers 12 and older buy a Conservation License, an aquatic invasive species pass and a fishing license; the 2026 Montana Fishing Regulations prints $8, $2 and $21 for a resident full season and $10, $7.50 and $100 for a nonresident. The mapped outline here is the Montana part; the water reaches British Columbia (Canada).
Which page takes sign-ups for Lake Koocanusa?
Entries go through the sponsor; the event link leads to the FWP approval list or a host page, and the sponsor sets the sign-up terms.
Is there a way for a circuit to add a Lake Koocanusa stop?
Use Add a tournament up top and add the host page so the date can be confirmed.
Does a Montana contest on Lake Koocanusa need FWP approval?
Montana requires FWP approval for fishing contests, and FWP posts the approved ice and open-water lists on its contests page. This calendar reads those lists and adds results the organizers published; it was checked November 12, 2026.
Pre-fish Lake Koocanusa ahead of the crowd
Launches and limits for this Montana water are one click away.
Know a tournament that is not listed?
Send it here with a link to the organizer’s event page or schedule. Weekly and monthly ones only need to go in once. If that page shows the name and the date (or the day of the week), it goes on this page right away. If not, we check it by hand within a week.
We keep what you send so we can check the event. Your email is never published.