Crystal Lake
Fergus County, Montana46 acresView mapDirections
No nutrient or algae sampling on record from Montana DEQ for this lake.
- 10 ft max depth
Crystal Lake in Fergus County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Maximum depth: 10 ft. Surface area: 46 acres.
Crystal Lake is a 46-acre lake in Fergus County, Montana with a maximum depth of 10 feet.
Source: EPA Water Quality Portal sampling records, Montana DEQ. Methodology: how these readings are compared.
What Crystal Lake is good for
From access and monitoring records, not editorial picks.
- Camping4 public campgrounds nearby
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Crystal 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 Crystal Lake
These are the measurements Montana DEQ publishes for Crystal 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 Crystal Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
10 ft
Surface area
46 acres
Shoreline
1.5 mi
Recreation & Access
Public campgrounds near Crystal Lake
- Crystal Lake Group Campsite0.5 kmReserve
- Crystal Lake Campground0.8 km
- Crystal Lake Group Area0.8 km
- Crystal Lake Cabin1.0 kmReserve
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 Crystal Lake
Compare lakeside cabins, hotels, and vacation rentals near Crystal Lake in Fergus 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.
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Fishing Crystal Lake
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Frequently asked questions about Crystal Lake
Where is Crystal Lake?
- Crystal Lake is a lake in Fergus County, Montana. Its water-quality measurements are published by Montana DEQ and shown on this page as reported.
What is the water quality of Crystal Lake?
- Crystal Lake in Fergus County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Maximum depth: 10 ft. Surface area: 46 acres.
Is Crystal Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Crystal Lake?
- Crystal Lake has a maximum depth of 10 feet. The lake covers 46 acres.
Are there campgrounds on Crystal Lake?
- Crystal Lake has 4 public campgrounds from USGS The National Map within 5 km, including Crystal Lake Group Campsite, Crystal Lake Campground, Crystal Lake Group Area, Crystal Lake Cabin. 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 Crystal 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