Fishing in Mattawa, WA
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Top fish species in Mattawa
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Stan Coffin Lake
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About Mattawa fishing
Check out the best fishing spots in and around Mattawa, Washington. Anglers using Fishbrain have logged: 1,432 catches for Largemouth bass, 494 catches for Rainbow trout, and 302 catches for Smallmouth bass.
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Fishing regulations in Mattawa
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 Washington 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 July 27th, 2026. To view regulations for a different fish species, please click on your preferred species in the drop-down.
Largemouth bass
Seasons
Open
Bag limit
5
Memorable
1 > 17
Max size
12"
Measurement
Total Length
Restrictions & requirements
Additional information
No min. size in lakes, ponds, and reservoirs. Only largemouth bass less than 12" may be retained, except 1 over 17" may be retained. Daily limit 5. No size restriction/daily limit in rivers, streams, and beaver ponds.For more information please see State of Washington Fishing Regulations
Edibility
Very good Catch, Clean, Cook Largemouth Bass by BlueGabe
Synonyms
Micropterus nigricans
Location specific information
DELANEY SPRING CREEKAll game fishSat. before Memorial Day-Oct. 31Statewide min. size/daily limit. Except: Eastern brook trout count as part of trout daily limit.FRENCHMAN HILLS WASTEWAYS AND DRAINSAll game fishYear-roundStatewide min. size/daily limit. Except: Eastern brook trout count as part of trout daily limit.GRANT AND ADAMS COUNTIESall inlets and outlets of lakes, ponds, and reservoirs and all irrigation canals, wasteways, and drains in Grant and Adams counties except for Crab Creek, Rocky Ford Creek and Ponds, Columbia Basin Hatchery Creek, Bobcat Creek, Coyote Creek, Frenchman Hills Wasteway and Drains, Hays Creek, Red Rock Creek, Sand Hollow Creek, Lenore Lake inlet and outlet, and Nunnally Lake outlet.All game fishYear-roundStatewide rules for lakes, ponds, and reservoirs apply for all species.NUNNALLY LAKE OUTLETOutlet stream of Nunnally LakeAll speciesCLOSED WATERS.RED ROCK CREEKAll game fishSat. before Memorial Day-Sept. 30Statewide min. size/daily limit.ROCKY FORD CREEK AND PONDSAll speciesNo wading. Fly fishing only. Bank fishing only.All game fishYear-roundCatch-and-release.SAND HOLLOW CREEKfrom SR 243 upstream and all tributariesAll game fishSat. before Memorial Day-Sept. 30Statewide min. size/daily limit.BEDA LAKEAll speciesSelective gear rules. Internal combustion motors prohibited.TroutYear-roundMin. size 18". Daily limit 1.Other game fishYear-roundStatewide min. size/daily limit.BLUE LAKEAll game fish4th Sat. in Apr.- Sept. 30Statewide min. size/daily limit.BURKE LAKEAll game fishMar. 1-Sept. 30Statewide min. size/daily limit.CALICHE LAKE, UPPERAll game fishMar. 1-Sept. 30Statewide min. size/daily limit.CASCADE LAKEAll game fishMar. 1-Sept. 30Statewide min. size/daily limit.CATTAIL LAKEAll game fish4th Sat. in Apr.- Sept. 30Statewide min. size/daily limit.CLIFF LAKEAll game fishMar. 1-Sept. 30Statewide min. size/daily limit.COOT LAKEAll game fish4th Sat. in Apr.- Sept. 30Statewide min. size/daily limit.CRYSTAL LAKEAll game fishMar. 1-Sept. 30Statewide min. size/daily limit.CUP LAKEAll game fishMar. 1-Sept. 30Statewide min. size/daily limit.DEEP LAKEAll game fish4th Sat. in Apr.- Sept. 30Statewide min. size/daily limit.DRY FALLS LAKEAll speciesInternal combustion motors prohibited. Selective gear rules.TroutMar. 1-Nov. 30Min. size 18". Daily limit 1.Other game fishMar. 1-Nov. 30Statewide min. size/daily limit.DUNE LAKEAll speciesSelective gear rules.TroutYear-roundMin. size 18". Daily limit 1.Other game fishYear-roundStatewide min. size/daily limit.DUSTY LAKEAll speciesInternal combustion motors prohibited. Selective gear rules.TroutMar. 1-Nov. 30Min. size 18". Daily limit 1.Other game fishMar. 1-Nov. 30Statewide min. size/daily limit.EPHRATA LAKEAll speciesCLOSED WATERS.GADWALL LAKEAll game fish4th Sat. in Apr.- Sept. 30Statewide min. size/daily limit.GOOSE LAKE, LOWERBluegillYear-roundNo min. size. No daily limit. Up to 5 over 6" may be retained.CrappieYear-roundMin. size 9". Daily limit 10.Other game fishYear-roundStatewide min. size/daily limit.HAMPTON LAKES(Lower and Upper)All game fish4th Sat. in Apr.- Sept. 30Statewide min. size/daily limit.HARRIS LAKEAll speciesSelective gear rules.TroutYear-roundMin. size 18". Daily limit 1.Other game fishYear-roundStatewide min. size/daily limit.HEN LAKEAll game fish4th Sat. in Apr.- Sept. 30Statewide min. size/daily limit.HOMESTEAD LAKEAll speciesInternal combustion motors prohibited. Selective gear rules.TroutYear-roundMin. size 18". Daily limit 1.Other game fishYear-roundStatewide min. size/daily limit.HOURGLASS LAKEAll game fish4th Sat. in Apr.- Sept. 30Statewide min. size/daily limit.LEMNA LAKEAll game fish4th Sat. in Apr.- Sept. 30Statewide min. size/daily limit.LENICE LAKEAll speciesInternal combustion motors prohibited. Selective gear rules.TroutMar. 1-Nov. 30Min. size 18". Daily limit 1.Other game fishMar. 1-Nov. 30Statewide min. size/daily limit.LENORE LAKEAll speciesInternal combustion motors prohibited. Selective gear rules.TroutMar. 1-Nov. 30Min. size 18". Daily limit 1.Other game fishMar. 1-Nov. 30Statewide min. size/daily limit.an area within a 200-yard radius of trash rack leading to the irrigation pumping station (south end of the lake)All speciesCLOSED WATERS.an area approx. 100 yards beyond the mouth of inlet stream to State Hwy. 17All speciesCLOSED WATERS.MARTHA LAKEAll game fishMar. 1-Sept. 30Statewide min. size/daily limit.MERRY LAKEAll speciesInternal combustion motors prohibited. Selective gear rules.TroutMar. 1-Nov. 30Min. size 18". Daily limit 1.Other game fishMar. 1-Nov. 30Statewide min. size/daily limit.MOSES LAKEBluegillYear-roundMin. size 8". Daily limit 5.CrappieYear-roundMin. size 9". Daily limit 10.Yellow perchYear-roundNo min. size. Daily limit 25.Other game fishYear-roundStatewide min. size/daily limit.NORTH POTHOLES RESERVE PONDSthose ponds or portions of ponds lying within the North Potholes ReserveAll game fishMar. 1-Day before opening of general waterfowl seasonStatewide min. size/daily limit. Fishing from any floating device except float tubes prohibited.NUNNALLY LAKEAll speciesCLOSED WATERS the outlet stream to Nunnally Lake. Internal combustion motors prohibited. Selective gear rules.TroutMar. 1-Nov. 30Min. size 18". Daily limit 1.Other game fishMar. 1-Nov. 30Statewide min. size/daily limit.PARK LAKEAll game fish4th Sat. in Apr.- Sept. 30Statewide min. size/daily limit.PERCH LAKEAll game fish4th Sat. in Apr.- Sept. 30Statewide min. size/daily limit.PILLAR LAKEAll game fish4th Sat. in Apr.- Sept. 30Statewide min. size/daily limit.PING PONDAll speciesOpen for juvenile anglers, senior anglers and anglers with a disability who possess a designated harvester companion card only. Two-Pole not allowed.All game fishYear-roundStatewide min. size/daily limit.POACHER LAKEAll game fish4th Sat. in Apr.- Sept. 30Statewide min. size/daily limit.POTHOLES RESERVOIRBluegillYear-roundNo min. size. Daily limit up to 25 bluegill and crappie combined.CrappieYear-roundMin. size 9". Daily limit up to 25 bluegill and crappie combined.Yellow perchYear-roundNo min. size. Daily limit 25.Other game fishYear-roundStatewide min. size/daily limit.QUINCY LAKEAll game fishMar. 1-Sept. 30Statewide min. size/daily limit.SADDLE MOUNTAIN LAKEAll speciesCLOSED WATERS.SAGO LAKEAll game fish4th Sat. in Apr.- Sept. 30Statewide min. size/daily limit.SEDGE LAKEAll speciesSelective gear rules.TroutYear-roundMin. size 18". Daily limit 1.Other game fishYear-roundStatewide min. size/daily limit.SHOVELER LAKEAll game fish4th Sat. in Apr.- Sept. 30Statewide min. size/daily limit.SNIPE LAKEAll game fish4th Sat. in Apr.- Sept. 30Statewide min. size/daily limit.SPRING LAKES(Upper and Lower)All game fishMar. 1-Sept. 30Statewide min. size/daily limit.STRATFORD/BROOK LAKEStratford areaAll game fishMar. 1-Sept. 30Statewide min. size/daily limit.TERN LAKEAll speciesSelective gear rules.TroutYear-roundMin. size 18". Daily limit 1.Other game fishYear-roundStatewide min. size/daily limit.VIC MEYERS (RAINBOW) LAKEAll game fish4th Sat. in Apr.- Sept. 30Statewide min. size/daily limit. Except: Eastern brook trout count as part of trout daily limit.WARDEN LAKEAll game fish4th Sat. in Apr.- Sept. 30Statewide min. size/daily limit.WARDEN LAKE, SOUTHAll game fish4th Sat. in Apr.- Sept. 30Statewide min. size/daily limit.WIDGEON LAKEAll game fish4th Sat. in Apr.- Sept. 30Statewide min. size/daily limit.WINCHESTER WASTEWAYthat portion within Winchester Game ReserveAll game fishMar. 1-Sept. 30Statewide min. size/daily limit.CRAB CREEKfrom mouth to Morgan Lake Rd. in Sec. 36All game fishSat. before Memorial Day-Sept. 30Statewide min. size/daily limit.from Morgan Lake Rd. in Sec. 36 to O'Sullivan Dam (including Marsh Units I and II impoundments)All speciesCLOSED WATERS.from the confluence of the Moses Lake outlets to Sand Dunes Rd. including tributariesBluegillYear-roundStatewide min. size/daily limit. Except: Combined limit of bluegill and crappie is 25 fish.CrappieYear-roundStatewide min. size/daily limit. Except: Min. length 9". Combined limit of crappie and bluegill is 25 fish.Yellow perchYear-roundStatewide min. size/daily limit. Except: Daily limit is 25 fish.Other game fishYear-roundStatewide min. size/daily limit for lakes, ponds, and reservoirs apply.from the fountain buoy and shoreline markers of 150' downstream of the Alder Street fill to Grant County Rd. 7 NEBluegillYear-roundMin. size 8". Daily limit 5.CrappieYear-roundMin. size 9". Daily limit 10.Yellow perchYear-roundDaily limit 25.Other game fishYear-roundStatewide min. size/daily limit for lakes, ponds, and reservoirs apply.above Grant County Rd. 7 and all tributaries except Goose Creek in the city of WilburAll game fishYear-roundStatewide min. size/daily limit.HAYS CREEKAll game fish4th Sat. in Apr.-Sept. 30Statewide min. size/daily limit.PARA-JUVENILE LAKEAll speciesTwo-Pole not allowed.All game fishYear-roundStatewide min. size/daily limit.ROYAL LAKE AND ROYAL SLOUGHincluding Marsh Unit 4 impoundmentsAll speciesCLOSED WATERS.TEAL LAKE, NORTH & SOUTHAll game fish4th Sat. in Apr.- Sept. 30Statewide min. size/daily limit.ROOSEVELT LAKE TRIBUTARIESbetween Grand Coulee Dam and the Canadian border except tributaries listed elsewhere in Special RulesAll game fishSat. before Memorial Day-Oct. 31Statewide min. size/daily limit.SturgeonSat. before Memorial Day-Oct. 31Closed.ROOSEVELT LAKEGrand Coulee Dam to Little Dalles power line crossing including Hawk Creek down- stream of the falls at Hawk Creek Campground and the Spokane Arm upstream to 400' below Little Falls Dam CRC (549)KokaneeYear-roundNo min. size. Daily limit 6. No more than 2 with intact adipose fins may be retained.TroutYear-roundNo min. size. Daily limit 5. Only adipose fin-clipped trout may be retained.WalleyeYear-roundDaily limit 16. No size restriction.Other game fishYear-roundStatewide min. size/daily limit.SalmonYear-roundSalmon count toward trout daily limit. No catch record card required.SturgeonYear-roundClosed.BANKS LAKEAll speciesChumming permitted.CrappieYear-roundMin. size 9". Daily limit 10.Yellow perchYear-roundNo min. size. Daily limit 25.Other game fishYear-roundStatewide min. size/daily limit.RUFUS WOODS LAKEfrom Chief Joseph Dam upstream to State Route 155 BridgeAll speciesDouglas County shore (State license), on the water (either State or Tribal License accepted), Reservation (Tribal permit required or either license accepted at a signed "Designated Fishing Areas" (DFA) located and marked as such on the Colville Reservation shoreline).TroutYear-roundDaily limit 2.Other game fishYear-roundStatewide min. size/daily limit.SturgeonYear-roundClosed.from State Route 155 Bridge upstream to Grand Coulee DamAll speciesCLOSED WATERS.
Regulations for
46°44′13.2″N 119°54′15.5″W
Regulations in the map
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FAQ about Mattawa fishing
🎣 Where to fish in Mattawa, Washington?
Anglers in Mattawa, WA recommend these top fishing spots: Columbia River, Wanapum Lake, Priest Rapids Lake, Lenice Lake, and Sand Hollow Lake.
🐟 What fish can you catch in Mattawa?
Most commonly caught species around Mattawa, WA:
- Largemouth bass - 1,432 reported catches
- Rainbow trout - 494 reported catches
- Smallmouth bass - 302 reported catches
- Bluegill - 161 reported catches
- Northern pikeminnow - 128 reported catches
📢 What are the latest Mattawa fishing reports?
The latest Mattawa, WA fishing reports are:
- @herrera.travis reported a nice Rainbow trout at Priest Rapids Lake.
- @itsmodelotime reported a nice Smallmouth bass at Yakima River.
- @Everettjenks reported a nice Rainbow trout at Yakima River.
- @LeoTheHooker reported a nice Largemouth bass at I-82 Pond 6 (Buena Pond).
📅 What is the best time to go fishing in Mattawa?
Download the and see today's Fishing and Weather Forecast for Mattawa, WA. 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.
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