What fish are in Big Sag Lake?

Big Sag Lake offers diverse fishing opportunities. Check with local fishing guides for current species information and fishing reports.

Where can I launch a boat on Big Sag Lake?

Check with local authorities or MT DNR for public access information for Big Sag Lake.

Do I need a fishing license to fish Big Sag Lake?

Yes, you need a valid MT fishing license to fish Big Sag Lake. Fishing licenses can be purchased online through the MT Department of Natural Resources (DNR) website or at local retailers. Non-residents may need to purchase a non-resident fishing license.

Can I hire a fishing guide for Big Sag Lake?

Yes! Find experienced local fishing guides and captains for Big Sag Lake on this page. Our professional fishing guides offer guided trips, provide all necessary equipment, and share expert knowledge of Big Sag Lake's best fishing spots and techniques.

How big is Big Sag Lake?

Big Sag Lake covers approximately 122.087 acres.

Montana fishing lakes map - Find top fishing spots

Big Sag Lake

City: Highwood

County: Chouteau County

Nearest Town: Highwood

Last updated: less than a minute ago

About Big Sag Lake

Surface Area122 acres

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Fishing Charter Captains Near Big Sag Lake

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This prime fishing location is waiting for expert local guides like you. Start earning by sharing your knowledge of Big Sag Lake with anglers.

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More Fishing Lakes Near Big Sag Lake

Discover 6 nearby fishing spots within 50 miles. Find similar fish species, boat access, and local fishing guides for your next fishing adventure.

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City: Fort Benton

County: Chouteau County

Near: Fort Benton

1,105 acres

Shonkin Lake

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County: Chouteau County

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Lost Lake

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County: Chouteau County

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Sand Lake

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County: Chouteau County

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Lake Hankins Reservoirs

City: Fort Benton

County: Chouteau County

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4 acres

Lake Hankins Reservoirs

City: Fort Benton

County: Chouteau County

Near: Fort Benton

3 acres

Latest Fishing News & Updates

Stay informed with the latest fishing tips, stories, and updates from the community

Google Calendar Sync for Fishing Guides: Never Miss a Booking Again thumbnail

1/29/2026

Platform Updates

Google Calendar Sync for Fishing Guides: Never Miss a Booking Again

You can now hook up your Google calendar directly to your Fish Roulette calendar. That means no more juggling two different schedules or accidentally booking two trips at the same time.

Fishing Booking Settings: Hourly Pricing Model with Discount Tiers thumbnail

1/26/2026

Platform Updates

Fishing Booking Settings: Hourly Pricing Model with Discount Tiers

Before we added custom scheduling, pricing was straightforward. Captains set rates based on half-day blocks; morning or afternoon trips. Simple enough for everyone to understand. A half-day trip cost X amount, and customers could easily compare one captain to another.

Fine-Grained Scheduling Blocks: A Game-Changer for Fishing Charter Captains thumbnail

1/23/2026

Platform Updates

Fine-Grained Scheduling Blocks: A Game-Changer for Fishing Charter Captains

Running a fishing charter isn't just about knowing where the fish are biting. It's also about managing your time, your boat, and your bookings in a way that makes sense for your business. That's exactly why we built our newest feature at Fish Roulette; and it came directly from listening to captains like you.

Exclusive Access

Never Miss the Bite at Big Sag Lake

We're working diligently to bring you the best fishing experience. Stay tuned for more updates to come!

Lake Location

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