Mason Lake
Washington · King
- 31.4 acres mapped (USGS NHD)
- 1.5 km shoreline
- County: King
- Shoreline outline: USGS NHD
- Washington sport fishing rules (WDFW)
The pin marks the middle of the water, for directions. The shoreline on the map comes from USGS NHD.
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Stocking history
| Species | Qty | Size | When |
|---|---|---|---|
| Rainbow | 24025 | 67.8, 60.8 | 08-03-2026 |
| Rainbow | 30795 | 69.0, 67.0, 71.0 | 07-28-2026 |
| Rainbow | 46890 | 51.0, 58.0, 70.0 | 07-27-2026 |
| Rainbow | 31677 | 536.0 | 06-08-2026 |
| Rainbow | 56100 | 470.0 | 04-07-2026 |
| Rainbow | 33190 | 541.0 | 04-01-2026 |
Nearby waters
- Olallie Lake · 3.1 km (WA)
- Windy Lake · 5.5 km (WA)
- Lake Caroline · 7.9 km (WA)
- Lodge Lake · 9.2 km (WA)
- Divide Lake · 9.6 km (WA)
- Rockdale Lake · 9.9 km (WA)
More in King
- Big Soos Creek (WA)
- Tye Lake (WA)
- Lake Washington (WA)
- Lake Meridian (WA)
- Lake Alice (WA)
- Williams Lake (WA)