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FISH WASHINGTON
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Rock Lake

One mile north of Ewan. This is the largest natural lake in eastern Washington. With a year-round open fishing this mixed species fishery has a reputation of providing an excellent fishery for rainbow and brown trout. Largemouth bass, bluegill and crappie are also available from this lake.

The boat launch is privately owned but maintained by WDFW which allows for public access.  The access is a rough boat ramp; launch your vessel with caution.


Fishing Prospects Calendar

 JanFebMarAprMayJunJulAugSepOctNovDec
Black crappiePoor fishing - All monthPoor fishing - All monthPoor fishing - All monthGood fishing - All monthGood fishing - All monthGood fishing - All monthFair fishing - All monthFair fishing - All monthGood fishing - All monthGood fishing - 1st half of monthPoor fishing - All monthPoor fishing - All month
BluegillPoor fishing - All monthPoor fishing - All monthPoor fishing - All monthFair fishing - All monthGood fishing - All monthGood fishing - All monthGood fishing - All monthFair fishing - All monthFair fishing - All monthPoor fishing - All monthPoor fishing - All monthPoor fishing - All month
Brown bullheadPoor fishing - All monthPoor fishing - All monthFair fishing - 2nd half of monthFair fishing - All monthGood fishing - All monthGood fishing - All monthFair fishing - All monthFair fishing - All monthGood fishing - All monthFair fishing - All monthPoor fishing - All monthPoor fishing - All month
Brown troutGood fishing - All monthGood fishing - All monthGood fishing - All monthGood fishing - All monthGood fishing - All monthPoor fishing - All monthPoor fishing - All monthPoor fishing - All monthFair fishing - All monthGood fishing - All monthGood fishing - All monthGood fishing - All month
CarpPoor fishing - All monthPoor fishing - All monthFair fishing - All monthFair fishing - All monthGood fishing - All monthGood fishing - All monthFair fishing - All monthFair fishing - All monthFair fishing - All monthGood fishing - All monthPoor fishing - All monthPoor fishing - All month
Largemouth bassPoor fishing - All monthPoor fishing - All monthPoor fishing - All monthFair fishing - All monthGood fishing - All monthGood fishing - All monthGood fishing - All monthFair fishing - All monthGood fishing - All monthFair fishing - 1st half of monthPoor fishing - All monthPoor fishing - All month
PumpkinseedPoor fishing - All monthPoor fishing - All monthPoor fishing - All monthFair fishing - All monthFair fishing - All monthFair fishing - All monthFair fishing - All monthFair fishing - All monthFair fishing - All monthFair fishing - All monthPoor fishing - All monthPoor fishing - All month
Rainbow troutGood fishing - All monthGood fishing - All monthGood fishing - All monthGood fishing - All monthGood fishing - All monthGood fishing - 1st half of monthPoor fishing - All monthPoor fishing - All monthFair fishing - 2nd half of monthGood fishing - All monthGood fishing - All monthGood fishing - All month
Smallmouth bassPoor fishing - All monthPoor fishing - All monthPoor fishing - All monthFair fishing - All monthFair fishing - All monthFair fishing - All monthFair fishing - All monthFair fishing - All monthFair fishing - All monthPoor fishing - All monthPoor fishing - All monthPoor fishing - All month
Yellow perchPoor fishing - All monthPoor fishing - All monthFair fishing - All monthFair fishing - All monthFair fishing - All monthFair fishing - 1st half of monthPoor fishing - All monthPoor fishing - All monthFair fishing - 2nd half of monthFair fishing - All monthPoor fishing - All monthPoor fishing - All month
LEGEND
Fishing Expectation

Excellent

Excellent Good Good Fair Fair Poor Poor
Type of Opportunity Full Month Full month 1st half of month only 1st half only 2nd half of month only 2nd half only No opportunity No opportunity

Species you might catch

Crawfish
Grass pickerel
Largescale sucker

Lake Information

Whitman County
Lake Acreage: 2,189.6
Elevation: 1,728 feet
Eastside Washington

Lake Management Type
Mixed species - Trout emphasis

Sport Fishing Regulations & Seasons

Emergency Rule Updates
Fishing closures and openings happen constantly throughout the year. The E-Rules keep you up-to-date.


Locate Locate this lake
This feature shows the general location of the selected body of water. Directions may not include routes to boat launches or other water access sites. Check below for access sites or read the description for specific access information. Please do not trespass on private property.
Two-Pole Fishing Allowed

Access Sites / Boat Ramps on this Lake

No site or ramp information available.

Fish Plants & Stocking Reports