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Deer Island Slough

Columbia City, Oregon — Columbia County.

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46Surface acres

Surface area: The USGS National Hydrography Dataset outline (NHD Permanent ID 129414113).

Location & fast facts

Where Deer Island Slough is in Oregon

The red circle marks Deer Island Slough.

Fast facts

About Deer Island Slough

  • County: Columbia
  • Nearest city: Columbia City (about 2.3 mi from the lake)
  • Mapped as: Lake or pond (USGS National Hydrography Dataset)
  • Distance: about 32 mi from Portland and 133 mi from Eugene, straight-line (not driving distance)

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

Fishing in Oregon

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

Good for & watch for

Good for

  • Camping. 13 campgrounds within 15 mi (list)

Watch for

    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.

    Lake map

    Deer Island Slough shoreline

    1 mileN

    No public access sites are listed for this water in the OpenStreetMap boat ramps (no statewide agency ramp layer used) data.

    Shoreline: USGS National Hydrography Dataset (NHD Waterbody, Permanent ID 129414113), public domain. State outline: U.S. Census Bureau TIGERweb. Points: OpenStreetMap boat ramps (no statewide agency ramp layer used). Interactive map: Leaflet with © OpenStreetMap contributors. Not for navigation.

    Campgrounds near Deer Island Slough

    We found 13 campgrounds and RV parks within 15 miles of Deer Island Slough, 3 of them within 5 miles. Distances are straight-line from the nearest point on the shoreline, so driving distance is longer.

    7 more within 15 miles

    All campgrounds & RV parks in Oregon

    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: OpenStreetMap contributors (ODbL). Pulled Oct 12, 2026.

    Nearest airports

    The closest airport with scheduled passenger flights to Deer Island Slough, plus larger airports within about 150 miles:

    Car rental links go to our partner Discover Cars; LakeRipple may earn a commission at no extra cost to you. Affiliate disclosure.

    Airports with scheduled airline service from OurAirports (large and medium airports); larger airports are FAA large, medium and small hubs by FAA CY2025 enplanements ("major airport" = FAA large hub). Distances are straight-line from the lake's center, not driving distance; road routes are longer.

    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 (45.9664, -122.8546). The nearest station may be several miles away. NWS forecast for Deer Island Slough. 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 Deer Island Slough

    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 Deer Island Slough

      How big is Deer Island Slough?

      Deer Island Slough covers about 46 acres in Columbia City, Oregon (Columbia County).

      Are there campgrounds near Deer Island Slough?

      Yes. We list 13 campgrounds and RV parks within 15 miles, 3 of them within 5 miles.

      What towns are on Deer Island Slough?

      Deer Island Slough touches Columbia City in Columbia County, Oregon.

      Share a tip or fishing report

      Know Deer Island Slough? 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 Oregon lakes & ponds · All waters in Columbia City