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Big Mosquito Lake

Trout Lake, Washington — Skamania County.

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27Surface acres

Surface area: The USGS National Hydrography Dataset outline (NHD Permanent ID 150815086).

Location & fast facts

Where Big Mosquito Lake is in Washington

The red circle marks Big Mosquito Lake.

Fast facts

About Big Mosquito Lake

  • County: Skamania
  • Nearest city: Trout Lake (about 10.2 mi from the lake)
  • Mapped as: Lake or pond (USGS National Hydrography Dataset)
  • Distance: about 2141 mi from Pensacola and 2224 mi from Panama City, straight-line (not driving distance)

Towns and counties: U.S. Census Bureau boundaries overlaid on the USGS lake outline (Washington: incorporated places touching the lake, otherwise the nearest one).

Fishing in Washington

Official WDFW pages. Rules and fees change; check before you go.

Good for & watch for

Good for

  • Fishing. Brook trout and Tiger trout
  • Camping. 55 campgrounds within 15 mi (list)

Watch for

  • Cold water. Water stays cold well into late spring and turns cold again in fall. Wear a life jacket when paddling in the shoulder seasons.

Built only from the data on this page: official access lists, OpenStreetMap beaches and trails, campground listings, state and USGS invasive-species records. We don't rate crowds or water quality.

Official stocking data (Washington WDFW)

Stocked by the state: Brook trout, Tiger trout (2015–2026, 12 years; 57,567 fish in all, fry included)

Source: Washington Department of Fish and Wildlife, WDFW Fish Plants data on data.wa.gov (releases into Big Mosquito Lake, Skamania County, since 2015). See WDFW trout stocking reports. These are stocking records, not a full fish survey; other species also live here.

Lake map

Big Mosquito Lake shoreline

0.1 mileN

No public access sites are listed for this water in the WDFW water access sites data.

Shoreline: USGS National Hydrography Dataset (NHD Waterbody, Permanent ID 150815086), public domain. State outline: U.S. Census Bureau TIGERweb. Points: WDFW water access sites. Interactive map: Leaflet with © OpenStreetMap contributors. Not for navigation.

Campgrounds near Big Mosquito Lake

We found 55 campgrounds and RV parks within 15 miles of Big Mosquito Lake, 6 of them within 5 miles. Distances are straight-line from the nearest point on the shoreline, so driving distance is longer.

14 more within 15 miles

All campgrounds & RV parks in Washington

Green tent icons on the lake map mark campgrounds near the shore, and the interactive map shows the closest 12. Amenities are listed only where a source records them; call or check the campground's website before you go, since seasons and rates change every year.

Campground data: Recreation.gov (RIDB) · OpenStreetMap contributors (ODbL). Pulled Oct 12, 2026.

Conditions right now

Air temperature & conditions (nearest NWS station)Loading…
Fetching the latest National Weather Service observation…

Live from the National Weather Service API for the lake's coordinates (46.1280, -121.7595). The nearest station may be several miles away. NWS forecast for Big Mosquito Lake. No live water-temperature sensor is shown because we haven't found a public one for this lake.

Sun, moon & best fishing times

Sun & moon at Big Mosquito Lake

Best fishing times

Major periodMinor periodDaylight

    Based on solunar theory, an estimate. Major periods (about 2 hours) center on when the moon is directly overhead or underfoot; minor periods (about 1 hour) center on moonrise and moonset. The 0–100 activity score rises during those periods and gets a boost near sunrise and sunset and around the new and full moon. Weather, water temperature and pressure often matter more. Sun and moon times are calculated in your browser from the lake's coordinates with standard astronomy formulas, shown in PT (America/Los_Angeles), and accurate to within a few minutes.

    Contact & official info

    Questions about Big Mosquito Lake

    How big is Big Mosquito Lake?

    Big Mosquito Lake covers about 27 acres in Trout Lake, Washington (Skamania County).

    What fish are in Big Mosquito Lake?

    WDFW fish stocking records lists Brook trout and Tiger trout.

    Are there campgrounds near Big Mosquito Lake?

    Yes. We list 55 campgrounds and RV parks within 15 miles, 6 of them within 5 miles.

    What towns are on Big Mosquito Lake?

    Big Mosquito Lake touches Trout Lake in Skamania County, Washington.

    Share a tip or fishing report

    Know Big Mosquito Lake? Tell us about the launch, parking, where they're biting or anything a first-time visitor should know. Tips go privately to the LakeRipple editor; nothing is posted automatically. Helpful tips may be featured on this page (we'll use your first name only if you give one).

    Lakes & ponds nearby

    Straight-line distance between lake centers. All Washington lakes & ponds · All waters in Trout Lake