Fishing at
Rock Lake Whitman County

• JUMP TO: Rock Lake Info
• Stocking Reports
• Map
• Fish Species
• Monthly Outlook
• Images & Media
• Similar Lakes
• Fishing Reports


• Rainbow Trout
• Brown Trout
• Steelhead

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Rock Lake is a very large freshwater lake located in Whitman County, Washington. At an elevation of 1728 ft. and 2189.6 acres, it's home to several species of fish, including kokanee, bluegill, brown trout, common carp, yellow perch, black crappie, rainbow trout, brown bullhead, grass pickerel, largemouth bass, signal crayfish, smallmouth bass, largescale sucker and pumpkinseed sunfish. Rock Lake provides good shoreline access.

Stocked Fish: Rainbow
Lake Size: 2189.6 acres
Elevation: 1728 ft.
Boat Launch: None
Shoreline Access: Good

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Rock Lake Stocking Reports

Rock Lake has been historically stocked with rainbow. The largest rainbow ever stocked is 0.36 lbs. This year so far, there has been 2 stockings of rainbow at an average of 0.33 lbs. In the past, Rock Lake stocked tens of thousands of rainbow averaging 0.34 lbs.

Get a next-day email alert when this lake get stocked!

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Rock Lake Map

Rock Lake Fish Species

Rock Lake provides good opportunities for bluegill, brown trout, common carp, black crappie, rainbow trout, brown bullhead and largemouth bass. There is also a chance to catch kokanee, yellow perch, grass pickerel, signal crayfish, smallmouth bass, largescale sucker and pumpkinseed sunfish throughout the year.

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Rock Lake Fishing Reports

An somewhat popular lake, there has been many reports by anglers at Rock Lake over the past few years.

Anglers reported the most success with rainbow trout. Brown trout is also a popular species to fish for at Rock Lake.

A list of the best bait to use for stocked rainbow trout.

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Rock Lake - Rainbow Trout Fishing Tips

At Rock Lake, the best time for catching rainbow trout is morning. Anglers also reported success with rainbow trout around all day. Popular baits used include worms and maggots for rainbow trout. Trolling and top fishing from boat are the common and successful methods used at Rock Lake to catch rainbow trout.

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Rock Lake - Brown Trout Fishing Tips

The most popular time for catching brown trout at Rock Lake is all day. Anglers also reported success with brown trout around morning. Worms and shrimp are the most common and successful baits used at Rock Lake to catch brown trout. Anglers often fish by trolling and top fishing from boat for brown trout.

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Rock Lake - Steelhead Fishing Tips

At Rock Lake, the best time for catching steelhead is afternoon. Anglers also reported success with steelhead around noon. Trolling and trolling with fly are the common and successful methods used at Rock Lake to catch steelhead.

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Rock Lake Pictures & Media

Image of Rock Lake

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Nearby Lakes Similar to Rock Lake

There are a number of similar sized lakes relatively close to Rock Lake, including Sprague Lake, Liberty Lake, Eloika Lake, Diamond Lake and Waitts Lake.

Or try our advanced Washington fishing lake finder - search for any species of fish, filter by stocked lakes only, lake amenities and more.