Skip to main content
LakeQuality

Loon Lake

Valley County, Idaho100 acresView mapDirections

No nutrient or algae sampling on record from Idaho DEQ for this lake.

Area
100 acres
Surface area
Shoreline
1.8 mi
Measured length

Loon Lake in Valley County, Idaho has water-quality measurements published by Idaho DEQ, shown here as reported. Surface area: 100 acres.

Loading map…

Loon Lake is a 100-acre lake in Valley County, Idaho.

Source: EPA Water Quality Portal sampling records, IDEQ. Methodology: how these readings are compared.

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Loon Lake is safe to swim in today is a call for the Idaho Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

Get alerts for Loon Lake →

Water quality measurements for Loon Lake

These are the measurements Idaho DEQ publishes for Loon 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 Loon Lake

Answers come straight from the public measurements and survey records on this page.

Lake Details

Surface area

100 acres

Shoreline

1.8 mi

No bathymetric survey has been published for Loon Lake, so its depth is not documented here.

Stays via Stay22

Stays near Loon Lake

Compare lakeside cabins, hotels, and vacation rentals near Loon Lake in Valley County, Idaho — 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 Loon Lake

Prices for Oct 16–18, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Planning a whole trip? See where to stay at Idaho’s top lakes →

Follow Loon Lake’s readings

Email me when new measurements post for this lake. Updates stay free.


Or email

Fishing Loon Lake

Nearby Lakes in Valley County

Frequently asked questions about Loon Lake

Where is Loon Lake?

Loon Lake is a lake in Valley County, Idaho. Its water-quality measurements are published by Idaho DEQ and shown on this page as reported.

What is the water quality of Loon Lake?

Loon Lake in Valley County, Idaho has water-quality measurements published by Idaho DEQ, shown here as reported. Surface area: 100 acres.

Measurements on this page ↑

Is Loon Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

Where this data comes from

Measurements for Loon Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.