Marias River fishing

Marias River fishing: not stocked since September 14, 2023. It was stocked with Rainbow Trout and Brown Trout on a river section. Also recorded: Sauger, Walleye, Channel Catfish, Shovelnose Sturgeon, Mountain Whitefish, Northern Pike, and 1 more. Species guides list dawn and dusk for Rainbow Trout, dawn, day, and dusk for Brown Trout and Northern Pike, and dawn, day, dusk, and night for Sauger.

Marias River
Photo: Bureau of Land Management Montana and Dakotas, Public domain
Last stocked
September 14, 2023
· Brown Trout
Plants on record
22
Since 2011
Species stocked
2 (+7 also recorded)
Average size
6.5 in
Elevation
2,591.7 ft

Fish at Marias River

2 stocked · 7 confirmed present

Around the dates Marias River is stocked, Open-Meteo's 2016-2025 archive puts mean air temperature at 62.1°F in September, 75.2°F in July, 66°F in June, 72.3°F in August. That is air temperature at these coordinates, not water temperature. Open-Meteo

Rainbow Trout Stocked · 14 plants · last July 17, 2014 Best: dawn, dusk

Last stocked July 17, 2014 · avg 6.5 in · 14 plants

Best: dawn, dusk

Rainbow Trout species guide
Brown Trout Stocked · 8 plants · last September 14, 2023 Best: dawn, day, dusk

Last stocked September 14, 2023 · avg 6.5 in · 8 plants

Best: dawn, day, dusk

Brown Trout species guide
Sauger Confirmed present Best: dawn, day, dusk, night

Best: dawn, day, dusk, night

Sauger species guide

How Marias River is stocked

Source: Montana Fish, Wildlife & Parks.

No plants recorded in 8 years between 2011 and 2023.

Fish stocked in 2011

39,740

Fish stocked in 2012

39,750

Fish stocked in 2013

20,324

Fish stocked in 2014

10,054

Fish stocked in 2023

22,560

Stocking history

Source: Montana Fish, Wildlife & Parks.
Date Species Quantity Avg. length Source
September 14, 2023Brown Trout5,6406.6 inreport
September 14, 2023Brown Trout5,6406.6 inreport
September 14, 2023Brown Trout5,6406.6 inreport
September 14, 2023Brown Trout5,6406.6 inreport
July 17, 2014Rainbow Trout5,9869.13 inreport
July 17, 2014Rainbow Trout4,0687.95 inreport
September 16, 2013Rainbow Trout5,1836.19 inreport
September 16, 2013Rainbow Trout5,1836.19 inreport
July 12, 2013Rainbow Trout4,9797.87 inreport
July 12, 2013Rainbow Trout4,9797.87 inreport
September 18, 2012Brown Trout4,5276.9 inreport
September 18, 2012Rainbow Trout9,9553.92 inreport
September 18, 2012Rainbow Trout1176.7 inreport
September 18, 2012Brown Trout4,5276.9 inreport
September 18, 2012Rainbow Trout9,9553.92 inreport
September 18, 2012Rainbow Trout1176.7 inreport
August 16, 2012Brown Trout5,2765.72 inreport
August 16, 2012Brown Trout5,2765.72 inreport
October 3, 2011Rainbow Trout9,8824.13 inreport
October 3, 2011Rainbow Trout9,8824.13 inreport
June 22, 2011Rainbow Trout9,9887.83 inreport
June 22, 2011Rainbow Trout9,9887.83 inreport

Access and facts

Water type
river section
Nearest town
Loma
Shore access
Yes
Boat ramp
Yes
Facilities
restrooms, camping

Public access is mostly at bridge crossings: FWP's Loma Bridge site near the mouth (gravel ramp, vault latrines), BLM's Sullivan, Pugsley, and Moffat Bridge sites, and FWP's Marias River WMA above Tiber. Bridges are far apart, so most floats take more than a day.

Drafted by AI from the cited sources and checked before publishing.

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Advisories, closures, regulations and water conditions change. Check the Montana Fish, Wildlife & Parks before you go.

About Marias River

For the Moffat Bridge Recreation Area, a high clearance vehicle is recommended, and visitors must cross private land, so respecting private property is important to ensure continued access to the BLM lands. (blm.gov, accessed October 5, 2026)(blm.gov, accessed October 5, 2026)

Drafted by AI from the cited sources and checked before publishing.

Photo of Marias River
Bureau of Land Management Montana and Dakotas, Public domain

Nearest lakes

Leningtons Reservoir 5.2 mi last stocked June 22, 2026 Eightmile Springs 15.6 mi last stocked May 13, 2026 Crow Coulee Reservoir 16.6 mi last stocked June 18, 2026 Pegar Reservoir 25.7 mi last stocked June 9, 2022 Silvan Pond 28.4 mi last stocked August 12, 2025

Common questions

What fish are at Marias River?

Fishing Marias River usually means Rainbow Trout: Rainbow Trout accounts for 14 of 22 plants on record, ahead of Brown Trout. Rainbow Trout was last stocked July 17, 2014, averaging 6.5 in. Brown Trout was last stocked September 14, 2023, averaging 6.5 in. Sauger, Walleye, Channel Catfish, and Shovelnose Sturgeon, plus 3 more are recorded here outside the stocking reports.

When is Marias River stocked?

Not stocked since September 14, 2023. No plants recorded in 8 years between 2011 and 2023.

How big are the fish stocked at Marias River?

Stocked fish average 6.5 in. Rainbow Trout average 6.5 in. Brown Trout average 6.5 in.

How do you get on Marias River?

Shore fishing is available and there is a boat ramp. The nearest town is Loma. Facilities include restrooms and camping. Public access is mostly at bridge crossings: FWP's Loma Bridge site near the mouth (gravel ramp, vault latrines), BLM's Sullivan, Pugsley, and Moffat Bridge sites, and FWP's Marias River WMA above Tiber. Bridges are far apart, so most floats take more than a day.

Which lakes near Marias River were stocked more recently?

Leningtons Reservoir (5.2 mi), Eightmile Springs (15.6 mi), Crow Coulee Reservoir (16.6 mi), and Silvan Pond (28.4 mi) were stocked more recently. Leningtons Reservoir is also stocked with Rainbow Trout, Eightmile Springs is also stocked with Rainbow Trout, and Crow Coulee Reservoir is also stocked with Rainbow Trout.

Sources (6) +