Avalanche Lake
Flathead County, Montana54 acresView mapDirections
No nutrient or algae sampling on record from Montana DEQ for this lake.
Avalanche Lake in Flathead County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 54 acres.
Avalanche Lake is a 54-acre lake in Flathead County, Montana.
Source: EPA Water Quality Portal sampling records, Montana DEQ. Methodology: how these readings are compared.
What Avalanche Lake is good for
From access and monitoring records, not editorial picks.
- Camping2 public campgrounds nearby
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Avalanche 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.
Water quality measurements for Avalanche Lake
These are the measurements Montana DEQ publishes for Avalanche 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 Avalanche Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
54 acres
Shoreline
1.5 mi
No bathymetric survey has been published for Avalanche Lake, so its depth is not documented here.
Recreation & Access
Public campgrounds near Avalanche Lake
- Avalanche Campground3.2 kmReserve
- Avalanche Creek3.2 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 Avalanche Lake
Compare lakeside cabins, hotels, and vacation rentals near Avalanche 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 Avalanche Lake
Prices for Oct 9–11, 4 adults. Change dates on the map below.
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Fishing Avalanche Lake
Nearby Lakes in Flathead County
Frequently asked questions about Avalanche Lake
Where is Avalanche Lake?
- Avalanche 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 Avalanche Lake?
- Avalanche Lake in Flathead County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 54 acres.
Is Avalanche Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there campgrounds on Avalanche Lake?
- Avalanche Lake has 2 public campgrounds from USGS The National Map within 5 km, including Avalanche Campground, Avalanche Creek. 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 Avalanche Lake 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