Lake trip · Big Horn County, Montana
Where to stay at Tongue River Reservoir
Tongue River Reservoir covers 2,158 acres in Big Horn County. 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 Tongue River Reservoir
Cabins, resorts, hotels, and vacation rentals near Tongue River Reservoir in Big Horn County, Montana — live availability and prices. Add your dates to see totals.
Top-rated places to stay near Tongue River Reservoir
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
Tongue River Reservoir has limited nutrient and algae sampling on record. 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.
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 Tongue River Reservoir →
About Tongue River Reservoir
Camping & RV near Tongue River Reservoir
Search public campgrounds and RV sites near Tongue River Reservoir on Recreation.gov, then compare cabins, resorts, and rentals on the map above.
Common questions
Frequently Asked Questions
Cabins, resorts, and vacation rentals around Tongue River Reservoir in Big Horn County, Montana 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.
Tongue River Reservoir has limited nutrient and algae sampling on record. 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.
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LakeQuality Lake Trip Planner (2026)
Free trip-planning guide for Tongue River Reservoir: 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.