Alder Lake
Thurston County, Washington2,766 acresView mapDirections
No nutrient or algae sampling on record from Washington Ecology for this lake.
- Public access
Alder Lake in Thurston County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Surface area: 2766 acres.
Alder Lake is a 2,766-acre lake in Thurston County, Washington. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, WA Ecology. Methodology: how these readings are compared.
What Alder Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
- Big water2,766 acres
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Alder Lake is safe to swim in today is a call for the Washington State Department of Ecology and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Alder Lake
These are the measurements Washington Ecology publishes for Alder Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. TSI undefined.
Ask about Alder Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
2,766 acres
Shoreline
29.7 mi
Public access
Yes
Listed by Washington Ecology
No bathymetric survey has been published for Alder Lake, so its depth is not documented here.
Recreation & Access
- Alder Lake ParkPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Alder Lake
Compare lakeside cabins, hotels, and vacation rentals near Alder Lake in Thurston County, Washington — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Alder Lake
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Fishing Alder Lake
Nearby Lakes in Thurston County
Frequently asked questions about Alder Lake
Where is Alder Lake?
- Alder Lake is a lake in Thurston County, Washington. Its water-quality measurements are published by Washington Ecology and shown on this page as reported.
What is the water quality of Alder Lake?
- Alder Lake in Thurston County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Surface area: 2766 acres.
Is Alder Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Alder Lake?
- Alder Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Alder Lake Park. Public access is listed as yes.
Can I fish at Alder Lake?
- Alder Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Washington's fish and wildlife agency, so check its current regulations before you go.
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Where this data comes from
Measurements for Alder Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory