Skip to main content
LakeQuality

Lone Lake

Flathead County, Montana133 acresView mapDirections

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

Area
133 acres
Surface area
Shoreline
2.2 mi
Measured length

Lone Lake in Flathead County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 133 acres.

Loading map…

Lone Lake is a 133-acre lake in Flathead County, Montana.

Source: EPA Water Quality Portal sampling records, Montana DEQ. 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 Lone Lake is safe to swim in today is a call for the Montana Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

Get alerts for Lone Lake →

Water quality measurements for Lone Lake

These are the measurements Montana DEQ publishes for Lone 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 Lone Lake

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

Lake Details

Surface area

133 acres

Shoreline

2.2 mi

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

Stays via Stay22

Stays near Lone Lake

Compare lakeside cabins, hotels, and vacation rentals near Lone Lake in Flathead County, Montana — 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 Lone 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 Montana’s top lakes →

Follow Lone Lake’s readings

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


Or email

Fishing Lone Lake

Nearby Lakes in Flathead County

Frequently asked questions about Lone Lake

Where is Lone Lake?

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

What is the water quality of Lone Lake?

Lone Lake in Flathead County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 133 acres.

Measurements on this page ↑

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