Tiber Reservoir Fishing
A Montana reservoir of 14,842 acres in Liberty and Toole counties.
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Tiber Reservoir at a Big Sky glance
A FishMT size of 14,842 acres goes with Tiber Reservoir in Liberty and Toole counties. FWP mapping shows about 14,842 acres of mapped outline. Census lists Shelby as the closest place, near 33 miles off.
The FishMT page lists FWP’s Central fishing district, with FWP Region 4 for it. No launch of any kind shows in the FWP site data.
Size as the FWP FishMT page for Tiber Reservoir prints it (FishMT), read November 12, 2026.
Outline area from the FWP Lakes reference layer (ArcGIS service; mapped polygon area, not an FWP surface-acre figure), read November 12, 2026.
Montana FWP FishMT waterbody page for Tiber Reservoir, read November 12, 2026.
U.S. Census Bureau, 2020 Census counts (TIGERweb) and the 2023 Gazetteer, read November 12, 2026.
How Montana FWP describes Tiber Reservoir
Montana FWP's own note on Tiber Reservoir reads:
Walleye, Northern Pike, Yellow Perch, Rainbow Trout, Burbot, Lake Trout, Cisco, Shovelnose Sturgeon, White Sucker, Longnose Sucker, Channel Catfish, Emerald Shiner, Spottail Shiner, Fathead Minnow, Longnose Dace, Lake Chub, Flathead Chub, Brook Stickleback
FWP puts Tiber Reservoir at 2,991 feet above sea level. FWP names Marias River as where it flows out. A bathymetric map is on the FWP list for it. FWP's statewide angling pressure estimate for Tiber Reservoir is 24,004 angler days in 2021 (give or take 6,614).
FWP flags a fish consumption advisory on its FishMT page for Tiber Reservoir; read FWP's current guidance before you keep fish to eat.
Montana FWP FishMT waterbody page for Tiber Reservoir, read November 12, 2026.
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These Tiber Reservoir ratings are lifted from the FWP layer as published.
| Species | MFISH rating |
|---|---|
| Black crappie | rare |
| Burbot | common |
| Channel catfish | rare |
| Cisco | abundant |
| Common carp | listed |
| Lake trout | rare |
| Mountain whitefish | rare |
| Northern pike | abundant |
| Rainbow trout | common |
| Shovelnose sturgeon | rare |
| Walleye | abundant |
| Yellow perch | common |
FWP MFISH fish distribution layer (ArcGIS service) (FWP rating dates 2018), read November 12, 2026. Presence is mapping data, not a catch report.
Towing a boat across Montana to Tiber Reservoir
Nothing in the data marks a trailer ramp at Tiber Reservoir.
For Tiber Reservoir, the site data name facilities and surface only, with no lane counts or hours.
FWP Fishing Access Sites layer (ArcGIS service) and the FishMT site pages, read November 12, 2026.
Recent elevation numbers for Montana's Tiber Reservoir
USACE readings for Tiber Reservoir, Nov. 12, 1:00 p.m. MST.
USACE Access to Water (water.usace.army.mil), dated readings as served, read November 12, 2026. Not live.
The Tiber Reservoir panel can mix live USGS gauge data with dated Corps values.
Montana size and limit rules for Tiber Reservoir
The booklet carries no water-specific heading for Tiber Reservoir; the Central fishing district rows below are the working limits.
| Chart label as printed | Limit as printed |
|---|---|
| Brook Trout | 20 daily and in possession. |
| Combined Trout includes brown trout, rainbow trout, golden trout, cutthroat trout, and arctic grayling | Lakes/Reservoirs: 5 daily and 10 in possession, includes cutthroat trout. Rivers/Streams: 3 daily and in possession, only 1 over 18 inches, only 1 can be a cutthroat trout. All arctic grayling must be released immediately. |
| Lake Trout | 3 daily and in possession. |
| Burbot (Ling) | 5 daily and in possession. |
| Channel Catfish | 10 daily and in possession. |
| Crappie | 15 daily and 30 in possession. |
| Northern Pike | 10 daily and in possession. |
| Pallid Sturgeon | None – this is an endangered species and all fish must be released immediately. All waters are closed to fishing for pallid sturgeon. |
| Sauger/Walleye | 5 daily, only 2 may be sauger. Possession limit is 10, only 4 may be sauger. |
| Shovelnose Sturgeon | 5 daily and in possession, none over 40 inches. |
The district season for still water says: Open all year.
The rules here are from the 2026 Montana Fishing Regulations, valid March 1, 2026 through the end of February 2027; FWP had published no 2027 booklet when this was checked.
Anglers 12 and older buy a Conservation License, an aquatic invasive species pass and a fishing license; the 2026 Montana Fishing Regulations prints $8, $2 and $21 for a resident full season and $10, $7.50 and $100 for a nonresident.
2026 Montana Fishing Regulations (valid March 1, 2026 through February 28, 2027; FWP PDF), read November 12, 2026.
License prices as printed on the FWP fishing license page and in the 2026 Montana Fishing Regulations, p. 12 (the two agree), read November 12, 2026.
Fish-record rows that place Tiber Reservoir on the map
| Species | Weight or length | Year | Place as FWP prints it |
|---|---|---|---|
| Spottail shiner | 0.02 lbs. | 2010 | Tiber Reservoir |
Montana state record fish as FWP lists them (records page), read November 12, 2026.
Tournament dates and printed results for Tiber Reservoir
Upcoming dates and posted weights for Tiber Reservoir contests, each sourced, are on a linked page.
How Tiber Reservoir compares with other Montana water
FishMT acreage puts Lake Frances first among these at 3,618 acres.
| Water | Distance | Size | County | Ramps | Fish on FWP list |
|---|---|---|---|---|---|
| Tiber Reservoir | 14,842 acres | Liberty County | 0 | 12 | |
| Lower Eyraud Lake | 46 miles southwest | 175 acres | Teton County | 1 | 2 |
| Bailey Reservoir | 50 miles east | 85 acres | Hill County | 0 | 6 |
| Lake Frances | 50 miles west | 3,618 acres | Pondera County | 0 | 5 |
| Fresno Reservoir | 59 miles east | 3,185 acres | Hill County | 0 | 13 |
| Wadsworth Lake | 59 miles south | about 43 acres of mapped outline | Cascade County | 0 | 7 |
FWP FishMT pages, the Fishing Access Sites layer and the FWP Lakes layer; outline sizes are GIS figures. Read November 12, 2026.
Montana places mapped beside Tiber Reservoir
Big Sky reservoirs worth a detour from Tiber Reservoir
- Lower Eyraud Lake46 miles southwest
- Bailey Reservoir50 miles east
- Lake Frances50 miles west
- Fresno Reservoir59 miles east
- Wadsworth Lake59 miles south
Gear stores within reach of Tiber Reservoir
- Mystic Watersbait and tackle shop, Great Falls, 59 miles
- Tiber Marinamarina, Chester
Montana towns with motels near Tiber Reservoir
- Shelby33 miles
- Conrad37 miles
- Fort Benton44 miles
Montana counties touching Tiber Reservoir
- Liberty Countyseat: Chester
- Toole Countyseat: Shelby
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Montana identification photos for fish at Tiber Reservoir
Photo: USFWS Mountain-Prairie, Public domain
Photo: USFWS Midwest Region, Public domain
Photo: USFWS Mountain-Prairie, Public domain
Photo: U.S. Fish and Wildlife Service Headquarters, Public domain
Tiber Reservoir, answered in a handful of questions
What part of the Treasure State is Tiber Reservoir in?
FishMT files it under Liberty and Toole counties; the nearest Census town, Shelby, is about 33 miles away.
Is Tiber Reservoir a large Montana water?
FWP's figure is 14,842 acres; the mapped outline is about 14,842 acres of mapped outline.
Will a trailer rig fit at Tiber Reservoir?
FWP records no put-in here; the access band names ramps close by.
What does the FWP layer say swims in Tiber Reservoir?
FWP's layer names burbot, cisco, northern pike, rainbow trout and walleye.
What is the daily bag at Tiber Reservoir?
With nothing water-specific in the booklet, the Central district rows rule.
What does a Montana license cost for Tiber Reservoir?
Anglers 12 and older buy a Conservation License, an aquatic invasive species pass and a fishing license; the 2026 Montana Fishing Regulations prints $8, $2 and $21 for a resident full season and $10, $7.50 and $100 for a nonresident. No license is asked of a twelve-year-old or less.
Which spots let me cast from the bank at Tiber Reservoir?
No bank site appears in the FWP data.
Is a bait store close to Tiber Reservoir?
The list starts with Mystic Waters, about 59 miles away.
Is Tiber Reservoir sitting full or drawn down?
The level band shows each value with its agency and date.
Which Montana record came from Tiber Reservoir?
Tiber Reservoir carries the spottail shiner entry at 0.02 lbs., year 2010.
When is the next contest at Tiber Reservoir?
Contest dates and posted weights share a page apart from this one.
Pick a weekday for Tiber Reservoir
Prices and limit tables share one Montana page.