Where is Split Rock Lake?

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

How deep is Split Rock Lake?

Split Rock Lake has a maximum depth of 11 feet. The lake covers 171 acres.

Split Rock Lake

Teton County, Montana171 acresView map Directions

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

Max depth

11 ft

Bathymetric survey

Area

171 acres

Surface area

Shoreline

5.1 mi

Measured length

11 ft max depth

See the measurements Directions Where to stay

Split Rock Lake in Teton County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Maximum depth: 11 ft. Surface area: 171 acres.

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Split Rock Lake is a 171-acre lake in Teton County, Montana with a maximum depth of 11 feet.

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 Split Rock 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 Split Rock Lake →

Water quality measurements for Split Rock Lake

These are the measurements Montana DEQ publishes for Split Rock 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 Split Rock Lake

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

Lake Details

Max depth

11 ft

Surface area

171 acres

Shoreline

5.1 mi

Stays via Stay22

Stays near Split Rock Lake

Compare lakeside cabins, hotels, and vacation rentals near Split Rock Lake in Teton 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 Split Rock Lake

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Fishing Split Rock Lake

→ Split Rock Lake fishing regulations (limits, seasons, special rules)

Nearby Lakes in Teton County

Lake Theboe9.4 miView →Diversion Lake10 miView →Basin Lake11 miView →Gibson Reservoir13.5 miView →Harvey Lake—View →Bynum Reservoir—View →

Frequently asked questions about Split Rock Lake

Where is Split Rock Lake?: Split Rock Lake is a lake in Teton County, Montana. Its water-quality measurements are published by Montana DEQ and shown on this page as reported.
What is the water quality of Split Rock Lake?: Split Rock Lake in Teton County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Maximum depth: 11 ft. Surface area: 171 acres.
Is Split Rock Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Split Rock Lake?: Split Rock Lake has a maximum depth of 11 feet. The lake covers 171 acres.