Reservoir · Big Horn, Montana
Tongue River Reservoir
At a glance
- Area
- 874 ha (2,158 acres)
Who lives here
- Black crappie Pomoxis nigromaculatusStocked · 2025 · Fish stocking: Montana Fish, Wildlife & Parks, Fisheries Information System (Fish Stocking Locations)
- Walleye Sander vitreusStocked · 2026 · Fish stocking: Montana Fish, Wildlife & Parks, Fisheries Information System (Fish Stocking Locations)
- White crappie Pomoxis annularisStocked · 2025 · Fish stocking: Montana Fish, Wildlife & Parks, Fisheries Information System (Fish Stocking Locations)
Not listed doesn't mean no fish.
Stocking
| Year | Species | Stage | Number |
|---|---|---|---|
| May 14, 2026 | Walleye | 250,000 | |
| Oct 20, 2025 | Black Crappie | 9,929 | |
| Oct 17, 2025 | Black Crappie | 7,042 | |
| Oct 16, 2025 | Black Crappie | 8,340 | |
| Oct 15, 2025 | White Crappie | 4,898 | |
| Jun 19, 2025 | Walleye | 12,500 | |
| May 5, 2025 | Walleye | 250,000 | |
| Oct 17, 2024 | White Crappie | 33,722 | |
| Oct 11, 2024 | White Crappie | 2,412 | |
| Oct 10, 2024 | Black Crappie | 50,000 | |
| Oct 9, 2024 | Black Crappie | 12,807 | |
| Oct 8, 2024 | Black Crappie | 65,552 | |
| Oct 8, 2024 | Black Crappie | 64,635 | |
| Oct 7, 2024 | Black Crappie | 16,272 | |
| Oct 7, 2024 | White Crappie | 14,616 | |
| Jun 11, 2024 | Walleye | 12,500 | |
| May 3, 2024 | Walleye | 250,000 | |
| Oct 10, 2023 | White Crappie | 9,896 | |
| Jul 12, 2023 | Walleye | 50,000 | |
| May 13, 2023 | Walleye | 500,000 |
As the agency publishes it. Newest first: 20 of 37.
Getting on the water
No public access site is listed for this water yet.
Listed by public agencies. A listed site doesn't make the water or its shore open to fishing: when in doubt, it's unknown. Check signs and local rules.
The rules
Summary, not the law. Check the official regulations before you fish.
HuntGrid has no rules for this water yet.
Official regulations: Montana Fish, Wildlife & Parks
What's biting
Not enough anglers have shared catches here lately. A species shows for a week once at least 5 anglers share catches of it.
From anglers who chose to share their catches in HuntGrid Fishing, each counted once, counts rounded to the nearest 5, published 3 days after the week ends and never changed. Never a spot, time or name.
About this page
Sources and licences:
- U.S. Geological Survey, National Hydrography Dataset Plus High Resolution (NHDPlus HR); U.S. Census Bureau, TIGER/Line® Shapefiles 2025: counties and states · Public domain (U.S. Government work, 17 U.S.C. §105)
- Fish stocking: Montana Fish, Wildlife & Parks, Fisheries Information System (Fish Stocking Locations) · Shown unmodified with credit to FWP (owner approved 2026-10-19): Montana FWP ArcGIS item fc35d749b16643aab629f9a05cf4b897 (Montana Fish Stocking Locations, read 2026-10-19): "This data set is provided "as is" without warranty of any kind"; fwp.mt.gov/terms-of-use allows copying "for personal or informational use … if the documents are not modified": shown under the owner's 2026-10-19 rule as FWP published it. Credit the agency; remove if asked.
The outline is drawn from the official water data credited above, without a basemap. These pages show no angler's catches, spots or tracks.