Where is Ackley Lake?

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

How deep is Ackley Lake?

Ackley Lake has a maximum depth of 39 feet. The lake covers 229 acres.

Are there boat ramps on Ackley Lake?

Ackley Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Ackley Lake State Park. Public access is listed as yes.

Can I fish at Ackley Lake?

Ackley Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Montana's fish and wildlife agency, so check its current regulations before you go.

Are there campgrounds on Ackley Lake?

Ackley Lake has 1 public campground from USGS The National Map within 5 km, including Ackley Lake State Park Campground. 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.

Ackley Lake

Judith Basin County, Montana229 acresView map Directions

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

Max depth

39 ft

Bathymetric survey

Area

229 acres

Surface area

Shoreline

2.4 mi

Measured length

39 ft max depth
Public access

See the measurements Directions Where to stay

Ackley Lake in Judith Basin County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Maximum depth: 39 ft. Surface area: 229 acres.

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Ackley Lake is a 229-acre lake in Judith Basin County, Montana with a maximum depth of 39 feet. Limited fish-species data available. Public access is available with 1 public boat landing.

Source: EPA Water Quality Portal sampling records, Montana DEQ. Methodology: how these readings are compared.

What Ackley Lake is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp
Camping1 public campground nearby
Deep water39 ft surveyed max depth

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Ackley 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 Ackley Lake

These are the measurements Montana DEQ publishes for Ackley 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 Ackley Lake

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

Lake Details

Max depth

39 ft

Surface area

229 acres

Shoreline

2.4 mi

Public access

Yes

Listed by Montana DEQ

Recreation & Access

Boat Landings

Yes

Public Access

Campgrounds

Ackley Lake State ParkPublic

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

Public campgrounds near Ackley Lake

Ackley Lake State Park Campground0.5 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 Ackley Lake

Compare lakeside cabins, hotels, and vacation rentals near Ackley Lake in Judith Basin 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 Ackley Lake

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Fishing Ackley Lake

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

Nearby Lakes in Judith Basin County

Red Shed Lake7.3 miView →Crystal Lake22.6 miView →Fox Reservoir39.9 miView →Martinsdale Reservoir38.8 miView →East Fork Reservoir31 miView →Martin and C Bar J Reservoir—View →

Frequently asked questions about Ackley Lake

Where is Ackley Lake?: Ackley Lake is a lake in Judith Basin County, Montana. Its water-quality measurements are published by Montana DEQ and shown on this page as reported.
What is the water quality of Ackley Lake?: Ackley Lake in Judith Basin County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Maximum depth: 39 ft. Surface area: 229 acres.
Is Ackley Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Ackley Lake?: Ackley Lake has a maximum depth of 39 feet. The lake covers 229 acres.
Are there boat ramps on Ackley Lake?: Ackley Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Ackley Lake State Park. Public access is listed as yes.
Can I fish at Ackley Lake?: Ackley Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Montana's fish and wildlife agency, so check its current regulations before you go.
Are there campgrounds on Ackley Lake?: Ackley Lake has 1 public campground from USGS The National Map within 5 km, including Ackley Lake State Park Campground. 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.