The lake bed in 3-D: deep basin, drop-offs and shoreline. Shape estimated, not for navigation. Spot 1 (point drop-off) is open for everyone; the other 3 come with LakeScope PRO. Full screen
Tiber Reservoir
Toole County, Montana · 21,300 acres (33.3 sq mi)
47°F water, calm this morning.
About Tiber Reservoir
Tiber Reservoir is a reservoir in Toole County, Montana, covering 21,300 acres. Tiber Dam holds it back on the Marias River. Lake Elwell, commonly called Tiber Reservoir, was formed by damming the Marias River in north-central Montana.
It stretches about 24.1 miles end to end with roughly 105 miles of shoreline. Its surface is about 2,990 ft above sea level. Chester is about 13 miles northeast. The closest city is Great Falls, about 55 miles away.
- Size
- 21,300 acres (33.3 sq mi)
- Shoreline
- About 105 miles
- End to end
- About 24.1 miles
- Elevation
- About 2,990 ft
- Type
- Reservoir
- Dam
- Tiber Dam, Marias River
- County
- Toole County
The lake from above
Best fishing times
Friday Good
- 6:45 am – 9:00 amsunrise · wind 3 mph
- 3:15 pm – 5:00 pm bestsunset, moon overhead · wind 8 mph
Saturday Good
- 7:00 am – 9:15 amsunrise · wind 3 mph
- 3:30 pm – 5:30 pm bestsunset, moon overhead · wind 12 mph
Based on sun and moon times and the wind forecast. A guide, not a promise. The app shows the whole week.
Fish in Tiber Reservoir
The fish here: northern pike, walleye and trout. With the surface at 47°F, the notes below say which of them should be biting.
- GoodNorthern pike
Prime range. Weed edges and shallow bays.
- GoodWalleye
Good cool-water bite, best at dusk and after dark.
- GoodTrout
Good range. Near the surface and along shorelines.
From today's water temperature and the season. A guide, not a promise.
Fishing spots
- 1Point drop-off
The bottom falls away fast off this point; fish rest deep and move up the slope to feed.
- 2
- 3
- 4
3 more spots with LakeScope PRO: fish, depth band, water temperature, best time and bait for each.
Picked from the shape of the lake bed. A guide, not a promise.
Water temperature
At the surface, seen .
Water level
No daily level reading for this lake.
Ice
Open water
Ice thickness is an estimate from air temperature, not a measurement. Check the ice yourself before going on it.
Weather and wind
Sunrise 7:29 am · sunset 4:47 pm · waxing crescent moon (lake time).
Towns and places to stay near Tiber Reservoir
- Chesterabout 13 mi northeast
- Shelbyabout 15 mi west
- Conradabout 20 mi west
- Great Fallsnearest city, about 55 mi south
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Questions about Tiber Reservoir
What fish are in Tiber Reservoir?
Tiber Reservoir holds northern pike, walleye and trout. Check the state fish and wildlife agency for stocking and limits.
How deep is Tiber Reservoir?
We have no published depth for this lake. The 3-D view gives an estimated shape of the bed: where the deep basin and the drop-offs are. Not for navigation.
How big is Tiber Reservoir?
21,300 acres, with about 105 miles of shoreline.
What town is near Tiber Reservoir?
Chester is about 13 miles northeast; Shelby is about 15 miles west.
What is the water temperature at Tiber Reservoir today?
The surface was about 47°F on the latest clear reading. The page updates every day.
Tiber Reservoir on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.
