Where is Lonesome Lake?

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

Lonesome Lake

Chouteau County, Montana728 acresView map Directions

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

Area

728 acres

Surface area

See the measurements Directions Where to stay

Lonesome Lake in Chouteau County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 728 acres.

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Lonesome Lake is a 728-acre lake in Chouteau 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 Lonesome 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.

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Water quality measurements for Lonesome Lake

These are the measurements Montana DEQ publishes for Lonesome 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 Lonesome Lake

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

Lake Details

Surface area

728 acres

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

Stays via Stay22

Stays near Lonesome Lake

Compare lakeside cabins, hotels, and vacation rentals near Lonesome Lake in Chouteau 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 Lonesome Lake

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Fishing Lonesome Lake

→ Lonesome Lake fishing regulations (limits, seasons, special rules)

Nearby Lakes in Chouteau County

Williamson Reservoir12.7 miView →Boneau ReservoirHypereutrophic16.7 miView →Seifort Reservoir27.2 miView →Clear Lake—View →Harwood Lake—View →Dammel Reservoir—View →

Frequently asked questions about Lonesome Lake

Where is Lonesome Lake?: Lonesome Lake is a lake in Chouteau County, Montana. Its water-quality measurements are published by Montana DEQ and shown on this page as reported.
What is the water quality of Lonesome Lake?: Lonesome Lake in Chouteau County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 728 acres.
Is Lonesome Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.