Lake trip · Itasca County, Minnesota
Where to stay at Third River Flowage Lake
Third River Flowage Lake covers 56,471 acres in Itasca County, with water clarity of about 6.9 ft. Compare cabins, resorts, and vacation rentals below. The water-quality readings cover nutrients and algae; they are not a stay-or-skip rating. Late spring through early fall, with June through August the peak season for swimming, boating, and fishing.
Places to stay near Third River Flowage Lake
Cabins, resorts, hotels, and vacation rentals near Third River Flowage Lake in Itasca County, Minnesota — live availability and prices. Add your dates to see totals.
Top-rated places to stay near Third River Flowage Lake
Prices for Oct 16–18, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
About the water
Third River Flowage Lake has nutrient and algae measurements on record from state and federal monitoring. Water clarity is about 6.9 ft of visibility. Algae (chlorophyll-a) measures 5.5 µg/L. A water-quality reading is not a swimming clearance. The state water agency and county health departments post current advisories; check them before you swim. The readings are not a reason to skip cabins and rentals around the lake.
See the full Third River Flowage Lake water-quality report →
Best time to visit
Late spring through early fall, with June through August the peak season for swimming, boating, and fishing.
Check the National Weather Service forecast for Third River Flowage Lake →
About Third River Flowage Lake
Fish: black bullhead, black crappie, bluegill, bowfin (dogfish), brown bullhead, burbot, hybrid sunfish, largemouth bass.
Fishing & license
When to fish Third River Flowage Lake — the seasonal windows by species, from state survey data.
Minnesota fishing license
Anglers under 16 are not required to have a license. Residents age 90+ also exempt. · The Minnesota walleye, northern pike, and bass season opens the Saturday two days before Mother's Day. Most other species are open year-round.
Prices as published by Minnesota Department of Natural Resources, 2026.
Camping & RV near Third River Flowage Lake
Search public campgrounds and RV sites near Third River Flowage Lake on Recreation.gov, then compare cabins, resorts, and rentals on the map above.
Common questions
Frequently Asked Questions
Cabins, resorts, and vacation rentals around Third River Flowage Lake in Itasca County, Minnesota are on the map above with live availability and nightly prices. Waterfront rentals put you on the dock; lodging in the nearest town is usually cheaper with more choice.
Third River Flowage Lake has nutrient and algae measurements on record from state and federal monitoring. A water-quality reading is not a swimming clearance. The state water agency and county health departments post current advisories; check them before you swim.
Late spring through early fall, with June through August the peak season for swimming, boating, and fishing.
Explore Third River Flowage Lake
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Species activity outlook by water temperature and season
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Moderate nutrients, good water quality
Minnesota's cleanest lakes, ranked on agency measurements
LakeQuality Lake Trip Planner (2026)
Free trip-planning guide for Third River Flowage Lake: how to pick a clean lake, the water-quality signals that matter, best swimming and fishing windows, and where to stay.
Lodging availability and prices are provided by Stay22 and its booking partners (Booking.com, Vrbo, Expedia); LakeQuality may earn a commission from bookings at no extra cost to you. Water-quality readings are independent of lodging listings. Always check current health-department advisories and managing-agency conditions before you travel.