Washington · Lake fishing · North Bend · Near Greenwater

Mason Lake

Jul–Sep
best months

Caution today

Agency alerts are in effect for this area; weather is good · USFS, OpenWeather · checked 5 h ago

Is Mason Lake open right now?

Closure in the area

There's a closure order in Mt. Baker-Snoqualmie National Forest. It doesn't name Mason Lake, so check the source for the area it covers (3 listed).

As of · Source: USFS · Mt. Baker-Snoqualmie National Forest. Agencies don't list every closure — check before you go.

Mason Lake is a 31-acre lake near North Bend, Washington, at about 4,174 feet. It is managed by the U.S. Forest Service.

Around this trail

Add any of these when you start a trip
  • Sleep close

    Mason Lake Backcountry Camping

    Campground

    Campground · 0.1 mi from the trail
  • Eat after

    Dru Bru

    Brewery

    Open after 6
  • If it rainsShakespeare at English Wikipedia, CC BY-SA 3.0 · Wikimedia Commons

    Northwest Railway Museum

    Museum

    Museum · 15 mi from Greenwater

    Railway station in Snoqualmie, the United States of America

Places © OpenStreetMap contributors · Photos: Shakespeare at English Wikipedia, CC BY-SA 3.0 (commons)

More in Greenwater

Local outfitters

Not on Roamze yet. Their page has how to reach them.

  • Best time to go · Jul–Sep

    Best time to visit Mason Lake

    Best months: July–September. Best months have typical highs of 55–85 °F, lows of 30 °F or warmer (32 °F where the station doesn't record snow), at most one snowy day and no more than 12 wet days.

    1. Jan

      32° / 25°

      20 wet

    2. Feb

      35° / 26°

      17 wet

    3. Mar

      40° / 29°

      20 wet

    4. Apr

      46° / 33°

      19 wet

    5. May

      53° / 38°

      17 wet

    6. Jun

      60° / 43°

      14 wet

    7. Jul

      68° / 50°

      8 wet

    8. Aug

      69° / 51°

      7 wet

    9. Sep

      63° / 47°

      10 wet

    10. Oct

      49° / 38°

      16 wet

    11. Nov

      38° / 30°

      19 wet

    12. Dec

      32° / 24°

      20 wet

    Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Stampede Pass, WA, 14.3 mi away at 3,959 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

    Closures we've recorded since August 2026

    • Campfire Ban in Effect Forest-wide

      Mt. Baker-Snoqualmie National Forest · Order dated July 21, 2026; seen Aug 23, 2026 → lifted Sep 15, 2026 · Forest Service

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