Fishing in Grant County, Washington

What this local map set contains

The Grant County directory currently covers 18 lakes or reservoirs. 17 charts use measured bathymetry from a published source; 1 chart is clearly labeled as modeled. Recorded maximum depths range from 10 to 142 ft, with a median of 70 ft. Those figures describe each chart's deepest recorded or modeled point, not a safe navigation depth.

Species records are attached to 17 of 18 waters. The most frequently cataloged targets are Rainbow Trout (13), Bluegill (11), Largemouth Bass (11), Crappie (10) and Yellow Perch (10). These are coverage counts, not abundance estimates or catch forecasts; open the individual map to see the evidence and seasonal context attached to that water.

Three useful maps to compare first

1. Moses Lake: 36 ft maximum; survey-backed contours; 8 cataloged target species.
2. Alkali Lake: 12 ft maximum; survey-backed contours; 8 cataloged target species.
3. Soda Lake: 120 ft maximum; survey-backed contours; 7 cataloged target species.

Start with a survey-backed chart when exact contour shape matters most. Use a modeled chart as broad planning context, then verify depths on the water. Comparing the three examples above also shows whether this area offers one dominant basin type or genuinely different shallow, deep, lake and river options. Access is separate from map coverage: confirm launches, shore rights, closures and posted rules before making the trip.