How many fishing tournaments are held on Twelve Mile Lake?

22 are on record here, with 17 still ahead.

When is tournament season on Twelve Mile Lake?

Most listed tournaments fall in June, September and October, usually on Saturdays and Sundays.

Who runs tournaments on Twelve Mile Lake?

The Bass Federation, Iowa Bass Stalkers, Iowa Bass Anglers and I Bass, and 1 other organizer.

Twelve Mile Lake Fishing Tournaments

17 tournament dates listed ahead and 5 past listings on Twelve Mile Lake, Iowa. View on a map ↗

Bass

17dates listed ahead

5organizers named

Junebusiest month

Saturdaysmost common day

Upcoming on Twelve Mile Lake

Date	Listed event	Listed launch
Sun, Mar 28	Iowa's Bass Elite Solo Trail Not open to the public Agency listing Bass	Not named	Details
Sat, Apr 17	SCIBC Bass Club Only Not open to the public Agency listing Bass	Not named	Details
Sat, Apr 24	TBF State Qualifier #1 The Bass Federation Not open to the public Agency listing Bass	Not named	Details
Sat, May 1	CVBA Club Tournament Not open to the public Agency listing Bass	Not named	Details
Sat, May 15	OBA Bass Club Not open to the public Agency listing Bass	Not named	Details
Sat, Jun 5	IBN Team Trail #5 Iowa Bass Anglers Open to the public Agency listing Bass	Not named	Details
Sun, Jun 6	SWIFT Tournament Not open to the public Agency listing	Not named	Details
Sat, Jun 12	Iowa Bass Stalkers Open to the public Agency listing Bass	Not named	Details
Sat, Jun 19	SC Solo Series Not open to the public Agency listing Bass	Not named	Details
Jun 26–27	I-Bass Open Tournament I Bass Open to the public Agency listing Bass	Not named	Details
Sat, Jul 10	Sarpy County Bass Tournament Not open to the public Agency listing Bass	Not named	Details
Sat, Jul 17	River City Bass Club Tournament Not open to the public Agency listing Bass	Not named	Details
Sat, Jul 24	Club Tournament Not open to the public Agency listing Bass	Not named	Details
Sat, Aug 7	CVBA Open Tournament Coon Valley Bass Anglers Open to the public Agency listing Bass	Not named	Details
Sat, Aug 21	Iowa Bass Stalkers Open to the public Agency listing Bass	Not named	Details
Sat, Aug 28	Small Boat Bass Club Not open to the public Agency listing Bass	Not named	Details
Sat, Oct 2	Tri-County Bass Club Classic Tournament-GV/12 Not open to the public Agency listing Bass	Not named	Details

Planning a Day on Twelve Mile Lake?

These dates show when organized tournaments are listed here and where sources say they launch. Use them to pick a day or a ramp. They are listings, not counts of boats: they do not show how many anglers will turn up, or that any ramp will be closed.

Who Runs Tournaments Here

Tournament Waters Near Twelve Mile Lake

Straight-line distance between map positions; 4 of 4 have tournaments coming up.

Past Listings

Dates that were listed for this water. A listing does not confirm the event took place.

Show 5 past listings

Tri-County Bass Club Classic — Sun, Oct 4, 2026
Tri County Bass Club Tournament - 12 Mile — Sat, Oct 3, 2026
Spartan Fall Open — Thu, Sep 24, 2026
TBF Iowa Jr & High School Student Anglers — Sun, Sep 20, 2026
Club Fishing Tournament — Sat, Sep 12, 2026

Twelve Mile Lake Tournament Questions

How many fishing tournaments are held on Twelve Mile Lake?: 22 are on record here, with 17 still ahead.
When is tournament season on Twelve Mile Lake?: Most listed tournaments fall in June, September and October, usually on Saturdays and Sundays.
Who runs tournaments on Twelve Mile Lake?: The Bass Federation, Iowa Bass Stalkers, Iowa Bass Anglers and I Bass, and 1 other organizer.
What species are Twelve Mile Lake tournaments for?: Bass.

Other Iowa Waters

All Iowa tournaments →