Nothing live is published for this water, so there is no reading or verdict today. The readings section below says what we checked.
Tongue River Reservoir is a lake or reservoir in Montana, listed as Among the state's most-fished waters (agency angler survey) by Montana Fish, Wildlife & Parks.
Tongue River Reservoir is a lake or reservoir in Montana.
No real-time gauge on this water. We found no active USGS gauge on Tongue River Reservoir or on its stream system within about 25 miles, and no dam operator publishes data for it. A missing gauge says nothing about the water itself. Find the gauges nearest Tongue River Reservoir
Start from the agency's public access map. Nothing on this page grants or implies access: check the agency map, posted signs and landowner permission before you fish.
Nothing on this page grants or implies access.
Restrooms within 2 miles of Tongue River Reservoir in a straight line, nearest first, with what anglers found when they went. The map says a restroom is there, not whether it is clean or open today.
No restroom mapped within 2 mi yet — add one you know.
Campgrounds, fishing access sites and boat ramps often have one that isn't on the map yet.
Restroom locations and map details: © OpenStreetMap contributors, Open Database License, read Oct 24, 2026. Ratings, answers and photos are members' own; who shared them is never shown, and every photo is reviewed before it appears. Visits older than 18 months no longer count. Distances are straight-line miles, not driving. Nothing here grants access to private land. Community guidelines.
Featured sport-fishing waterThe Bighorn River from the Swinging Bridge, Montana. Photo: charkes, CC BY-SA 3.0, via Wikimedia Commons
Montana · about 54 mi
Among the state's most-fished waters (agency angler survey)Representative photo · not Tongue RiverThe Boulder River in Sweet Grass County, Montana, in February. Photo: USDA NRCS Montana, public domain, via Wikimedia Commons Not Tongue River.
Montana · about 29 mi
Featured sport-fishing waterRepresentative photo · not Bighorn LakeEnnis Lake, Montana, in March, with the Madison Range beyond. Photo: Gloria Cabada-Leman, CC BY 2.0, via Flickr Not Bighorn Lake.
Among the state's most-fished waters (agency angler survey)Representative photo · not Lake ElmoHenrys Lake from Henrys Lake State Park, Idaho. Photo: James Postema, CC BY 4.0, via Wikimedia Commons Not Lake Elmo.
Montana · about 98 mi
Seasons, limits, special regulations and closures for each reach are on the agency pages below. Read them before you go.
Each comes from the agency's own published list; where the list names a reach it is quoted. A designation applies to the listed reach, not necessarily the whole water.
On the Montana's most-fished waters (FWP statewide angling pressure estimates, 2023 license year, top 250 by state rank) list (Montana Fish, Wildlife & Parks, read 2026-11-05). All waters with this designation
Measured from the NHDPlus High Resolution (flowlines and waterbodies) (U.S. Geological Survey, read 2026-11-05) for this water’s own mapped feature. Rounded figures; they describe the channel, not today’s conditions.
Areas the Protected Areas Database of the United States (PAD-US), public access (U.S. Geological Survey, Gap Analysis Project, read 2026-11-05) lists as owned or held in easement and open to the public, crossed by the mapped shoreline. Boundaries are mapped, not surveyed. Nothing on this page grants or implies access: check the agency map, posted signs and landowner permission before you fish.
12 of 37 mi of shoreline on public land
Nothing on this page grants or implies access.
From the agency’s own records (Fish Stocking Records (FWP fishViewer), Montana Fish, Wildlife & Parks, read 2026-11-05), listed as Tongue River Reservoir (agency stocking point). Check the agency for this season.
Past stockings, not a schedule
2026: Walleye in May (1 stocking, 250,000 fish).
2025: Black Crappie, Walleye, White Crappie in May, Jun, Oct (6 stockings, 292,709 fish).
2024: Black Crappie, Walleye, White Crappie in May, Jun, Oct (10 stockings, 522,516 fish).
Listings marked Unclaimed are built from open map records and the business's own website: confirm licensing, rates, dates and hours directly.
No guide within 40 miles yet.
No shop nearby yet.
The hatch and season chart for this water's region.
5 hatches charted for the region, not measured on this water. From Montana Fish, Wildlife & Parks.
Mother's Day caddis (Grannom) (May) · Salmonfly (May to June) · Salmonfly (May to July) · Salmonfly (July) · Trico (August to September)
None of our destination hubs is within 40 miles in a straight line. The trip planner builds a trip around the water itself: the guides and shops listed within 40 miles of it, its gauges and its nearest towns and airports.
No hub within 40 miles
A stillwater fly-fishing checklist for lakes and ponds: a 9–10 ft 5–6 weight rod, floating and intermediate lines, chironomids and leeches, and float-tube options, with estimated prices and where to buy.
9′–10′ rod, 5–6 weight, floating + intermediate lines · Rainbow, brook and brown trout in lakes
Open the checklistChironomids, leeches and where fish hold in a lake.
Public YouTube videos from established channels, chosen by us to support this page. Not sponsored; the creators are not affiliated with Legendary Fly Gear.
Not sponsored All videos on stillwater
Trip stories anglers chose to share publicly and tagged with Tongue River Reservoir.
No stories from here yet.
Not a statement of access, fish presence or conditions.
A water page organises discovery. It does not assert public access, legal access, current fish presence, guide availability or fishing conditions.
Flows, gauge statistics and flood stages come from USGS and the National Weather Service when the page is shown. Regulations, stocking, species and season statements link to the agency that publishes them; this page copies only the species names and the quoted sentences. Guide and shop listings come from the Legendary directories. Position: the point for “Tongue River Reservoir” (reservoir) in the USGS Geographic Names Information System. Water type is our own classification.
Featured sport-fishing waterThe Bighorn River from the Swinging Bridge, Montana. Photo: charkes, CC BY-SA 3.0, via Wikimedia Commons
Among the state's most-fished waters (agency angler survey)Representative photo · not Tongue RiverThe Boulder River in Sweet Grass County, Montana, in February. Photo: USDA NRCS Montana, public domain, via Wikimedia Commons Not Tongue River.
Featured sport-fishing waterRepresentative photo · not Bighorn LakeEnnis Lake, Montana, in March, with the Madison Range beyond. Photo: Gloria Cabada-Leman, CC BY 2.0, via Flickr Not Bighorn Lake.
Among the state's most-fished waters (agency angler survey)Representative photo · not Lake ElmoHenrys Lake from Henrys Lake State Park, Idaho. Photo: James Postema, CC BY 4.0, via Wikimedia Commons Not Lake Elmo.
Montana · about 98 mi
