Fishing at Tolt Regulating Basin, King County, Washington

• Overview

  Look for Tolt Regulating Basin in King County, Washington. It stands 771 feet above sea level. Surface area is around 35 acres, which gives you real water without needing a boat. With about 1.1 miles of edge, you can try several depths in one session. Lake Marcel-Stillwater is the closest town at 6 miles. The big place round here is Bellevue, 21 miles distant. The nearest boundary is well away, so one set of rules covers the water.

• Where to Fish on Tolt Regulating Basin

  Depth is unknown to us, and the shoreline is the better guide. Levels move with the draw rather than the rain on water like this. Rip-rap along the wall holds fish that the open bank never does. Public occurrence data for King County names Chum salmon, Coho salmon and Chinook salmon. Protected fish appear in the records for this area, so treat the list as information, not an invitation. Treat Tolt Regulating Basin as a water to read rather than to cover.

• Seasonal Patterns

  Temperature averages peak at 62°F in August and bottom out at 37°F in December. Neither winter nor summer shuts things down for long. Some winters give nothing at all, so plan for open water. February into May fishes hardest as the water warms. On Tolt Regulating Basin that shapes the whole year.

• Tackle & Baits

  Ownership and access are not documented in what we hold. Public mapping records no formal access here, so plan for a walk and soft ground. Light line and small metal for the trout; a fly rod earns its place on calm evenings. Parking is often the real limit rather than the bank itself. Some stretches are reserved and marked as such on the ground. Swans Mill Pond, 2.9 miles away, makes the obvious fallback. Ask locally about Tolt Regulating Basin if anything is unclear.