Cow Lakes
Malheur County, Oregon1,045 acresView mapDirections
No nutrient or algae sampling on record from Oregon DEQ for this lake.
Cow Lakes in Malheur County, Oregon has water-quality measurements published by Oregon DEQ, shown here as reported. Surface area: 1045 acres.
Cow Lakes is a 1,045-acre lake in Malheur County, Oregon.
Source: EPA Water Quality Portal sampling records, Oregon DEQ. Methodology: how these readings are compared.
What Cow Lakes is good for
From access and monitoring records, not editorial picks.
- Camping1 public campground nearby
- Big water1,045 acres
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Cow Lakes is safe to swim in today is a call for the Oregon Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Cow Lakes
These are the measurements Oregon DEQ publishes for Cow Lakes, 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 Cow Lakes
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
1,045 acres
Shoreline
10.5 mi
No bathymetric survey has been published for Cow Lakes, so its depth is not documented here.
Recreation & Access
Public campgrounds near Cow Lakes
- Cow Lakes Campground0.7 km
Nearest public campgrounds in the USGS National Map inventory, within about 3 miles. An empty list means USGS records no campground that close, which is not the same as camping being unavailable. Where the source gives an official reservation link, it is used; the cabin and hotel search does not cover campsites. More camping lakes
Stays via Stay22
Stays near Cow Lakes
Compare lakeside cabins, hotels, and vacation rentals near Cow Lakes in Malheur County, Oregon — 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 Cow Lakes
Prices for Oct 16–18, 4 adults. Change dates on the map below.
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Follow Cow Lakes’s readings
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Fishing Cow Lakes
Nearby Lakes in Malheur County
Frequently asked questions about Cow Lakes
Where is Cow Lakes?
- Cow Lakes is a lake in Malheur County, Oregon. Its water-quality measurements are published by Oregon DEQ and shown on this page as reported.
What is the water quality of Cow Lakes?
- Cow Lakes in Malheur County, Oregon has water-quality measurements published by Oregon DEQ, shown here as reported. Surface area: 1045 acres.
Is Cow Lakes safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there campgrounds on Cow Lakes?
- Cow Lakes has 1 public campground from USGS The National Map within 5 km, including Cow Lakes Campground. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.
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Where this data comes from
Measurements for Cow Lakes come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Public campgrounds from USGS The National Map Structures, within about 3 miles