Big Twin Lake
Okanogan County, Washington65 acresView mapDirections
No nutrient or algae sampling on record from Washington Ecology for this lake.
- Public access
Big Twin Lake in Okanogan County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Surface area: 65 acres.
Big Twin Lake is a 65-acre lake in Okanogan 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 Big Twin Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Big Twin 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 Big Twin Lake
These are the measurements Washington Ecology publishes for Big Twin 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 Big Twin Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
65 acres
Shoreline
1.7 mi
Public access
Yes
Listed by Washington Ecology
No bathymetric survey has been published for Big Twin Lake, so its depth is not documented here.
Recreation & Access
- Twin LakesPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Big Twin Lake
Compare lakeside cabins, hotels, and vacation rentals near Big Twin Lake in Okanogan 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 Big Twin Lake
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Fishing Big Twin Lake
Nearby Lakes in Okanogan County
Frequently asked questions about Big Twin Lake
Where is Big Twin Lake?
- Big Twin Lake is a lake in Okanogan County, Washington. Its water-quality measurements are published by Washington Ecology and shown on this page as reported.
What is the water quality of Big Twin Lake?
- Big Twin Lake in Okanogan County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Surface area: 65 acres.
Is Big Twin 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 Big Twin Lake?
- Big Twin Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Twin Lakes. Public access is listed as yes.
Can I fish at Big Twin Lake?
- Big Twin 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 Big Twin 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