The lake bed in 3-D: deep basin, drop-offs and shoreline. Shape estimated, not for navigation. Spot 1 (point drop-off) is open for everyone; the other 5 come with LakeScope PRO. Full screen
Mason Lake
Mason County, Washington · about 880 acres (1.4 sq mi)
Calm Thursday morning.
About Mason Lake
In Mason County, Washington, Mason Lake covers about 880 acres.
It stretches about 2.6 miles end to end and its shoreline adds up to about 8.7 miles. Its surface is about 200 ft above sea level. Allyn is about 5.4 miles northeast. The closest city is Olympia, about 19 miles away.
- Size
- About 880 acres (1.4 sq mi)
- Shoreline
- About 8.7 miles
- End to end
- About 2.6 miles
- Elevation
- About 200 ft
- County
- Mason County
The lake from above
Best fishing times
Friday Good
- 3:00 pm – 4:45 pm bestsunset, moon overhead · wind 8 mph
Saturday Fair
- 6:45 am – 9:00 amsunrise · wind 10 mph
- 3:30 pm – 5:15 pm bestsunset, moon overhead · wind 12 mph
Based on sun and moon times and the wind forecast. A guide, not a promise. The app shows the whole week.
Fish to expect
Lakes like Mason Lake in Washington usually hold largemouth bass, crappie, bluegill and sunfish and catfish. The state fish and wildlife agency lists what is stocked and the rules for this lake.
- Largemouth bass
- Crappie
- Bluegill and sunfish
- Catfish
Fishing spots
- 1Point drop-off
The bottom falls away fast off this point; fish rest deep and move up the slope to feed.
- 2
- 3
- 4
- 5
- 6
5 more spots with LakeScope PRO: fish, depth band, water temperature, best time and bait for each.
Picked from the shape of the lake bed. A guide, not a promise.
Water temperature
No clear reading right now. Narrow or small lakes often have none; the weather and bite times below still apply.
Water level
No daily level reading for this lake.
Ice
No clear view of the ice yet
Ice thickness is an estimate from air temperature, not a measurement. Check the ice yourself before going on it.
Weather and wind
Sunrise 7:13 am · sunset 4:37 pm · waxing crescent moon (lake time).
Towns and places to stay near Mason Lake
- Allynabout 5.4 mi northeast
- Belfairabout 8.4 mi northeast
- Key Centerabout 8.7 mi east
- Sheltonabout 8.9 mi southwest
- Olympianearest city, about 19 mi south
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Questions about Mason Lake
What fish are in Mason Lake?
Lakes like Mason Lake usually hold largemouth bass, crappie, bluegill and sunfish and catfish. Check the state fish and wildlife agency for stocking and limits.
How deep is Mason Lake?
We have no published depth for this lake. The 3-D view gives an estimated shape of the bed: where the deep basin and the drop-offs are. Not for navigation.
How big is Mason Lake?
About 880 acres, with about 8.7 miles of shoreline.
What town is near Mason Lake?
Allyn is about 5.4 miles northeast; Belfair is about 8.4 miles northeast.
Is the water warm enough to swim in Mason Lake?
Check the water temperature on this page before you go: under 70°F feels cold to most swimmers, and under 60°F cold-water shock is a real risk.
Mason Lake on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.
