Fishing Potholes Reservoir in Grant County, Washington

• Overview

  Potholes Reservoir falls in Grant County, part of Washington. Sage and rock runs right down to the water. This is big water, about 22.3 sq miles, and in a wind it behaves like a small sea. Bays run back a long way, and the fish move between them with the season. On our Grant County list it sits near the top for size. The town to know is Moses Lake, 9.1 miles out. Cascade Valley is 9.3 miles and Warden 13 miles. There is no boundary nearby to worry about.

• Where to Fish on Potholes Reservoir

  Recorded depth comes to 142 ft. Standing timber shows when the level drops, and fish sit against it. Draw-down through summer strips the margins, so follow the water out. Open biodiversity records for Grant County list yellow perch, largemouth bass and bluegill. Records at this level tell you what is in the area. Fish Potholes Reservoir to its features, not to its size.

• Seasonal Patterns

  The year swings from about 29°F in January to roughly 71°F in July. The year turns gently, without extremes at either end. It should never be assumed safe, whatever the month says. February into May fishes hardest as the water warms. Potholes Reservoir runs to that rhythm year in and year out.

• Tackle & Baits

  This one is in public ownership, with the usual conditions. Mapping shows no built access close by; expect to walk in from wherever you can leave the car. Largemouth respond to soft plastics tight to cover; go weedless where the growth is heavy. Ask in the nearest town if you are unsure. A polite question at the farm gate opens more banks than anything else. Heron Lake, 2.1 miles away, makes the obvious fallback. The position on Potholes Reservoir is worth confirming on the day.