🐟 What fish can you catch in Ontario?

Most commonly caught species around Ontario , OR : Largemouth bass - 690 reported catches Smallmouth bass - 523 reported catches Channel catfish - 336 reported catches Rainbow trout - 188 reported catches Bluegill - 139 reported catches .

📢 What are the latest Ontario fishing reports?

The latest Ontario , OR fishing reports are: @caleb-mcconnell reported a nice Largemouth bass . @caleb-mcconnell reported a nice Black crappie . @caleb-mcconnell reported a nice Largemouth bass . @Capybarafisher reported a nice Rainbow trout at Rotary Pond Park (Caldwell Idaho Rotary Pond) . @caleb-mcconnell reported a nice Largemouth bass . .

Fishing in Ontario, OR

Q: 🎣 Where to fish in Ontario, Oregon?

Anglers in Ontario , OR recommend these top fishing spots: Snake River (WA / ID) , Payette River .

Q: 📅 What is the best time to go fishing in Ontario?

Download the Fishbrain app and see today's Fishing and Weather Forecast for Ontario , OR . We give you weather trends and help you find the perfect window to catch your next personal best. With Fishbrain Pro , you will get the following capabilities: Plan smarter: Get hour-by-hour fishing weather conditions. Fish at peak times: Use BiteTime™ predictions to maximize catches. Stay ahead of the weather: Get hyper-local, real-time updates. .

Oregon, United States

Want trophy-size catches? These Ontario spots deliver

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Top fish species in Ontario

Latest Ontario fishing reports

Largemouth bass

17 in · 3 lb

Black crappie

15 in · 2 lb

Largemouth bass

16 in · 2 lb 3 oz

Rainbow trout

Rotary Pond Park (Caldwell Idaho Rotary Pond)

length · weight

Largemouth bass

14 in · 1 lb 5 oz

Largemouth bass

17 in · 3 lb

Black crappie

Rotary Pond Park (Caldwell Idaho Rotary Pond)

length · weight

Largemouth bass

length · weight

Largemouth bass

18 in · 3 lb

Largemouth bass

17 in · 3 lb

More catches in the app...

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Fishing regulations in Ontario

Disclaimer: Always check local fishing regulations, water access rights and land ownership before fishing, regardless of any catches logged in that area by the Fishbrain community. Fishbrain has mapped millions of acres of government-owned land across the USA to help you identify potential fishing access, but you are responsible for ensuring compliance with all legal requirements.

Fishing regulations in Oregon can change throughout the year. Make sure to check this page before fishing for the most up to date rules and regulations for the current season. Local regulations govern when you can fish, the max size of the fish you can keep, how many fish you can keep, and more.

Below you will see fishing regulations for catching Largemouth bass as of April 1st, 2026. To view regulations for a different fish species, please click on your preferred species in the drop-down.

Select species

Largemouth bass

Seasons

Open

Bag limit

Memorable

3 > 15

Measurement

Total Length

Aggregate

Exceptions to Southeast Zone Regulations

Agency Lake

Catch-and-release for rainbow trout.
Artificial flies and lures only.

Ana Reservoir

1 hybrid bass per day, 15 inch minimum length.

Ana River

5 rainbow trout per day, 8 inch minimum length.
Use of bait allowed.

Annie Creek

Use of bait allowed.

Antelope Creek (Malheur Co.)

Closed.

Big Alvord Creek

Closed.

Blitzen River

Malheur National Wildlife Refuge below Bridge Cr is Closed, except from Sodhouse Ln. to the bridge on The Boat Landing Rd Aug 1 - Sep 15.

Burnt River

5 rainbow trout per day, 8 inch minimum length.
Use of bait allowed.

Calahan Creek

Use of bait allowed.

Chewaucan River

Below Hwy 31 at Paisley

Use of bait allowed.

Corral Creek

Use of bait allowed.

Cottonwood Reservoir (Goose Lake Basin, Lake Co.)

1 rainbow trout per day, 15 inch minimum length.

Crater Lake National Park

Angling is regulated by the National Park Service (541) 594-3000.

Crooked Creek (Klamath Co.)

Open May 22 - Oct 31.
Catch-and-release for rainbow trout.
Closed from the springs at Klamath Hatchery downstream 1,000 ft to a posted fence crossing.

Crystal Creek

Open May 22 - Oct 31.
1 rainbow trout per day, 15 inch minimum length.
Artificial flies and lures only.

Denio Creek

Closed.

Dog Lake

1 rainbow trout per day, 15 inch minimum length.
5 bass per day, only 1 bass over 15 inches may be harvested.

Drews Reservoir

1 rainbow trout per day, 15 inch minimum length.

Eagle Creek including East and West Forks

5 rainbow trout per day, 8 inch minimum length.
Use of bait allowed.

Fort Creek

Open May 22 - Oct 31.
Catch-and-release for rainbow trout.

Fourmile Creek

1 rainbow trout per day, 15 inch minimum length.
Use of bait allowed.

Goose Lake

1 rainbow trout per day, 15 inch minimum length.

Harriman Creek

1 rainbow trout per day, 15 inch minimum length.
Use of bait allowed.

Indian Creek and Tributaries (Malheur/Harney Co.)

Closed.

Jackson Creek

Use of bait allowed.

Jordan Creek

5 trout per day, 8 inch minimum length.
Use of bait allowed.

Klamath Lake

1 rainbow trout per day, 15 inch minimum length.
Closed to all angling in Hagelstein Park.

Klamath River

1 rainbow trout per day, 12 inch minimum and 15 inch maximum length.
Closed from Hwy 66 Bridge to Keno Dam Jun 16 - Sep 30.

Krumbo Creek

Below Krumbo Reservoir

Closed.

Krumbo Reservoir

Closed to ice fishing by Malheur National Wildlife Refuge (541) 493-2612.

Lake of the Woods

5 bass per day, only 1 bass over 15 inches may be harvested.
Angling allowed 24 hours per day for all species.

Link River

Catch-and-release for rainbow trout.
Artificial flies and lures only.

Little Alvord Creek

Closed.

Little McCoy Creek

Closed.

Little Whitehorse Creek and Tributaries (Harney /Malheur Co.)

Open year round.
Catch-and-release for trout.
Artificial flies and lures only.

Lost River and Tributaries

Use of bait allowed.

Malheur River

Below Otis Creek

5 trout per day, 8 inch minimum length.
Use of bait allowed.

Malheur River, North Fork Mouth to Beulah Reservoir

5 trout per day, 8 inch minimum length.
Use of bait allowed.

Mann Lake

2 trout per day, 8 inch minimum length.
Artificial flies and lures only.
Closed to angling on tributaries.

Miller Creek (OutletofMillerLake, Klamath Co.)

Use of bait allowed.

Miller Lake

Angling allowed 24 hours per day for all species.

Mosquito Creek (Harney Co.)

Closed.

Odessa Creek

1 rainbow trout per day, 15 inch minimum length.
Use of bait allowed.

Owyhee River

5 rainbow trout per day, 8 inch minimum length.
Catch-and-release for brown trout.
Use of bait allowed.

Phillips Reservoir

Catch-and-release for tiger muskie.

Pike Creek

Closed.

Pine Creek and Tributaries (Baker Co.)

Above Oxbow Bridge

5 rainbow trout per day, 8 inch minimum length.
Use of bait allowed.

Poison Creek Reservoir

2 trout per day, 8 inch minimum length.

Powder River

5 rainbow trout per day, 8 inch minimum length.
Use of bait allowed.

Recreation Creek

1 rainbow trout per day, 15 inch minimum length.
Use of bait allowed.

Sage Creek

Closed.

Sand Creek

Use of bait allowed.

Scott Creek

Use of bait allowed.

Sevenmile Creek and Tributaries

Catch-and-release for rainbow trout.
Use of bait allowed above Nicholson Rd.

Short Creek

1 rainbow trout per day, 15 inch minimum length.
Use of bait allowed.

Skull Creek (Harney Co.)

Closed.

South Fork Sycan River

Use of bait allowed.

Spencer Creek

Open May 22 - Oct 31.

Sprague River

Open Apr 22 – Oct 31.
1 rainbow trout per day, 15 inch minimum length.
Use of bait allowed from Saddle Mt Pit Rd Bridge up to Godowa Springs Rd.

Sprague River, North Fork and Tributaries

2 brown trout per day.
Use of bait allowed on the mainstem and tributaries above the lowermost 3372 Rd crossing.

Spring Creek (Klamath Co.)

Open May 22 - Oct 31.

Thomason Creek

1 rainbow trout per day, 15 inch minimum length.
Use of bait allowed.

Threemile Creek (Harney Co.)

Closed.

Threemile Creek (Klamath Co.)

Above Westside Rd

Closed.

Twin Lakes (Wallowa Mountains)

1 rainbow trout per day, 15 inch minimum length.

Unity Reservoir

5 bass per day, only 1 bass over 15 inches may be harvested.
Closed within 200 ft of the dam Jan 1 - Mar31 and Dec 1-31.

Van Horn Creek

Closed.

Watson Creek

Use of bait allowed.

Whitehorse Creek and Tributaries (Trout Creek Mountains)

Open year round.
Catch-and-release for trout.
Artificial flies and lures only.

Williamson River

Mouth to Chiloquin Bridge

Open May 22 - Oct 31.
Catch-and-release for rainbow trout.
Only one single point hook may be used.

Chiloquin Bridge to Kirk Rd Bridge

Open May 22 - Oct 31.
Catch-and-release for rainbow trout.
Only one single point hook may be used.
No angling from a floating device.

Kirk Rd Bridge to headwaters

Open Apr 22 - Oct 31.
Catch-and-release for rainbow trout.
Only one single point hook may be used.
No angling from a floating device.

Willow Creek (East Steens)

Closed.

Willow Creek and Tributaries (Trout Creek Mountains)

Open year round.
Catch-and-release for trout.
Artificial flies and lures only.

Willow Valley Reservoir

5 bass per day, only 1 bass over 15 inches may be harvested.

Wood River

Open Apr 22 - Oct 31.
Catch-and-release for rainbow trout.
2 brown trout per day.
Includes Petric Canal.

Lakes: 5 per day, 3 daily limits in possession unless noted under location exceptions. No limit in the southwest corner of the Southwest Zone (see map pg 68 Oregon Sport Fishing Regulations).

Streams: No limit.

No more than 3 over 15 inches in length in lakes.
No minimum length in streams.
No size limit in the southwest corner of the Southeast Zone
(See map pg 68 Oregon Sport Fishing Regulations).
Angling restricted to artificial flies and lures in streams
unless noted under location exceptions.

Lakes and Reservoirs: Open all year.

Streams: Open during trout season.

For more information please see Oregon Sport Fishing Regulations

Very good Catch, Clean, Cook Largemouth Bass by BlueGabe

Micropterus nigricans

Exceptions to Southeast Zone Regulations

Agency Lake

Catch-and-release for rainbow trout.
Artificial flies and lures only.

Ana Reservoir

1 hybrid bass per day, 15 inch minimum length.

Ana River

5 rainbow trout per day, 8 inch minimum length.
Use of bait allowed.

Annie Creek

Use of bait allowed.

Antelope Creek (Malheur Co.)

Closed.

Big Alvord Creek

Closed.

Blitzen River

Malheur National Wildlife Refuge below Bridge Cr is Closed, except from Sodhouse Ln. to the bridge on The Boat Landing Rd Aug 1 - Sep 15.

Burnt River

5 rainbow trout per day, 8 inch minimum length.
Use of bait allowed.

Calahan Creek

Use of bait allowed.

Chewaucan River

Below Hwy 31 at Paisley

Use of bait allowed.

Corral Creek

Use of bait allowed.

Cottonwood Reservoir (Goose Lake Basin, Lake Co.)

1 rainbow trout per day, 15 inch minimum length.

Crater Lake National Park

Angling is regulated by the National Park Service (541) 594-3000.

Crooked Creek (Klamath Co.)

Open May 22 - Oct 31.
Catch-and-release for rainbow trout.
Closed from the springs at Klamath Hatchery downstream 1,000 ft to a posted fence crossing.

Crystal Creek

Open May 22 - Oct 31.
1 rainbow trout per day, 15 inch minimum length.
Artificial flies and lures only.

Denio Creek

Closed.

Dog Lake

1 rainbow trout per day, 15 inch minimum length.
5 bass per day, only 1 bass over 15 inches may be harvested.

Drews Reservoir

1 rainbow trout per day, 15 inch minimum length.

Eagle Creek including East and West Forks

5 rainbow trout per day, 8 inch minimum length.
Use of bait allowed.

Fort Creek

Open May 22 - Oct 31.
Catch-and-release for rainbow trout.

Fourmile Creek

1 rainbow trout per day, 15 inch minimum length.
Use of bait allowed.

Goose Lake

1 rainbow trout per day, 15 inch minimum length.

Harriman Creek

1 rainbow trout per day, 15 inch minimum length.
Use of bait allowed.

Indian Creek and Tributaries (Malheur/Harney Co.)

Closed.

Jackson Creek

Use of bait allowed.

Jordan Creek

5 trout per day, 8 inch minimum length.
Use of bait allowed.

Klamath Lake

1 rainbow trout per day, 15 inch minimum length.
Closed to all angling in Hagelstein Park.

Klamath River

1 rainbow trout per day, 12 inch minimum and 15 inch maximum length.
Closed from Hwy 66 Bridge to Keno Dam Jun 16 - Sep 30.

Krumbo Creek

Below Krumbo Reservoir

Closed.

Krumbo Reservoir

Closed to ice fishing by Malheur National Wildlife Refuge (541) 493-2612.

Lake of the Woods

5 bass per day, only 1 bass over 15 inches may be harvested.
Angling allowed 24 hours per day for all species.

Link River

Catch-and-release for rainbow trout.
Artificial flies and lures only.

Little Alvord Creek

Closed.

Little McCoy Creek

Closed.

Little Whitehorse Creek and Tributaries (Harney /Malheur Co.)

Open year round.
Catch-and-release for trout.
Artificial flies and lures only.

Lost River and Tributaries

Use of bait allowed.

Malheur River

Below Otis Creek

5 trout per day, 8 inch minimum length.
Use of bait allowed.

Malheur River, North Fork Mouth to Beulah Reservoir

5 trout per day, 8 inch minimum length.
Use of bait allowed.

Mann Lake

2 trout per day, 8 inch minimum length.
Artificial flies and lures only.
Closed to angling on tributaries.

Miller Creek (OutletofMillerLake, Klamath Co.)

Use of bait allowed.

Miller Lake

Angling allowed 24 hours per day for all species.

Mosquito Creek (Harney Co.)

Closed.

Odessa Creek

1 rainbow trout per day, 15 inch minimum length.
Use of bait allowed.

Owyhee River

5 rainbow trout per day, 8 inch minimum length.
Catch-and-release for brown trout.
Use of bait allowed.

Phillips Reservoir

Catch-and-release for tiger muskie.

Pike Creek

Closed.

Pine Creek and Tributaries (Baker Co.)

Above Oxbow Bridge

5 rainbow trout per day, 8 inch minimum length.
Use of bait allowed.

Poison Creek Reservoir

2 trout per day, 8 inch minimum length.

Powder River

5 rainbow trout per day, 8 inch minimum length.
Use of bait allowed.

Recreation Creek

1 rainbow trout per day, 15 inch minimum length.
Use of bait allowed.

Sage Creek

Closed.

Sand Creek

Use of bait allowed.

Scott Creek

Use of bait allowed.

Sevenmile Creek and Tributaries

Catch-and-release for rainbow trout.
Use of bait allowed above Nicholson Rd.

Short Creek

1 rainbow trout per day, 15 inch minimum length.
Use of bait allowed.

Skull Creek (Harney Co.)

Closed.

South Fork Sycan River

Use of bait allowed.

Spencer Creek

Open May 22 - Oct 31.

Sprague River

Open Apr 22 – Oct 31.
1 rainbow trout per day, 15 inch minimum length.
Use of bait allowed from Saddle Mt Pit Rd Bridge up to Godowa Springs Rd.

Sprague River, North Fork and Tributaries

2 brown trout per day.
Use of bait allowed on the mainstem and tributaries above the lowermost 3372 Rd crossing.

Spring Creek (Klamath Co.)

Open May 22 - Oct 31.

Thomason Creek

1 rainbow trout per day, 15 inch minimum length.
Use of bait allowed.

Threemile Creek (Harney Co.)

Closed.

Threemile Creek (Klamath Co.)

Above Westside Rd

Closed.

Twin Lakes (Wallowa Mountains)

1 rainbow trout per day, 15 inch minimum length.

Unity Reservoir

5 bass per day, only 1 bass over 15 inches may be harvested.
Closed within 200 ft of the dam Jan 1 - Mar31 and Dec 1-31.

Van Horn Creek

Closed.

Watson Creek

Use of bait allowed.

Whitehorse Creek and Tributaries (Trout Creek Mountains)

Open year round.
Catch-and-release for trout.
Artificial flies and lures only.

Williamson River

Mouth to Chiloquin Bridge

Open May 22 - Oct 31.
Catch-and-release for rainbow trout.
Only one single point hook may be used.

Chiloquin Bridge to Kirk Rd Bridge

Open May 22 - Oct 31.
Catch-and-release for rainbow trout.
Only one single point hook may be used.
No angling from a floating device.

Kirk Rd Bridge to headwaters

Open Apr 22 - Oct 31.
Catch-and-release for rainbow trout.
Only one single point hook may be used.
No angling from a floating device.

Willow Creek (East Steens)

Closed.

Willow Creek and Tributaries (Trout Creek Mountains)

Open year round.
Catch-and-release for trout.
Artificial flies and lures only.

Willow Valley Reservoir

5 bass per day, only 1 bass over 15 inches may be harvested.

Wood River

Open Apr 22 - Oct 31.
Catch-and-release for rainbow trout.
2 brown trout per day.
Includes Petric Canal.

Regulations for

44°01′33.2″N 116°58′33.2″W

Regulations in the map

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FAQ about Ontario fishing

Anglers in Ontario, OR recommend these top fishing spots: Snake River (WA / ID) and Payette River.

Most commonly caught species around Ontario, OR:

Largemouth bass - 690 reported catches
Smallmouth bass - 523 reported catches
Channel catfish - 336 reported catches
Rainbow trout - 188 reported catches
Bluegill - 139 reported catches

The latest Ontario, OR fishing reports are:

@caleb-mcconnell reported a nice Largemouth bass.
@caleb-mcconnell reported a nice Black crappie.
@caleb-mcconnell reported a nice Largemouth bass.
@Capybarafisher reported a nice Rainbow trout at Rotary Pond Park (Caldwell Idaho Rotary Pond).
@caleb-mcconnell reported a nice Largemouth bass.

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