StockedWaters

Mcdonald Lake Fish Stocking

Montana · 1924–2008 on record

Source: Montana fish & wildlife agency· updated 2008-06-23

According to Montana fish & wildlife agency, Mcdonald Lake was last stocked June 23, 2008 with Cutthroat Trout. Mcdonald Lake has 113 stocking records on file, spanning 1924–2008, with about 777,214 fish stocked over that period.

June 23, 2008
Last stocked
777,214
Fish stocked
2
Species
113
Stocking records

When Mcdonald Lake is stocked

Mcdonald Lake is typically stocked in spring and summer, most often in May — 25 stocking events in that peak month.

How Mcdonald Lake's stockings spread across the calendar year.

Angler's Field Guide

Fishing Tips & Stocking Guide for Mcdonald Lake

Practical advice on fish behavior, recommended tackle, and state regulations for anglers fishing in Montana.

Post-Plant Behavior & Timing

Hatchery-raised fish are conditioned to pelleted feed and open raceways. Following a release into Mcdonald Lake, they typically congregate in schools near public access points, boat ramps, or inlets for the first 24 to 48 hours while adjusting to natural water conditions.

Since Mcdonald Lake was last stocked June 23, 2008, anglers visiting within 1 to 2 weeks of a reported event generally experience the highest activity before fish disperse into deeper cover.

State Regulations & Licensing

  • •Fishing License: A valid Montana freshwater fishing license is required for anglers age 16 and older.Purchase Montana license online →
  • •Official Rules & Limits: Bag limits, bait restrictions, and seasonal boundaries are set by Montana fish & wildlife agency.Official Montana regulations guidebook →
  • •Ethical Conservation: Use barbless hooks and keep fish submerged in water during unhooking.Trout Thermal Advisory: When water temperatures rise above 68°F (20°C), released trout face severe mortality from thermal exhaustion. Target warmwater species or fish early in the morning when lakes and streams warm up.

Recommended Tackle & Presentations

Techniques tailored to the species stocked in Mcdonald Lake:

Stocked Trout Tactics

Use light 4–6 lb monofilament or fluorocarbon line. Float scented dough bait (PowerBait) 12–18" off bottom using a sliding slip-sinker rig with a size 14–16 treble hook. For active casting, throw 1/16 to 1/8 oz inline spinners (Panther Martin, Rooster Tail) or small spoons (Kastmaster) along drop-offs.

Cutthroat Trout Profile Tips

Known for being relatively easy to catch on dry flies, making it a favorite of western fly anglers; many subspecies are managed under catch-and-release rules to protect native populations.

Rainbow Trout Profile Tips

The most commonly targeted stocked trout in the country, taken on bait, spinners, and flies alike; a common first fish for new anglers.

Recommended Tackle for Mcdonald Lake

Field-tested tackle and presentations matched to the species stocked here.

Hatchery Trout FavoriteBerkley

Berkley PowerBait Floating Trout Dough

Hatchery-raised trout are conditioned to pelleted scents; scented dough floated 12–18 inches off bottom consistently triggers strikes.

Top Casting LurePanther Martin

Panther Martin Classic Teardrop Inline Spinner

The heavy convex blade spins instantly upon retrieval, sending vibration through the water that triggers aggressive reaction bites along drop-offs.

Essential RiggingEagle Claw

Sliding Sinker & Treble Hook Rigging Kit

Sliding egg sinkers allow cautious trout to run with bait without feeling line drag, while size 14–16 treble hooks keep dough bait securely pinned.

As an Amazon Associate, StockedWaters earns from qualifying purchases at no additional cost to you. Recommendations are chosen for hatchery-conditioned fish behavior and ethical rigging. We may receive a referral commission if you buy through these links. Read our editorial policy & standards.

Nearby stocked waters

Other stocked waters near Mcdonald Lake, freshest activity first.

Stocking history

Most recent stockings first. Dates shown at the precision the agency reported.

DateSpeciesNumberSizeSource
June 23, 2008Cutthroat Trout3,0014.3"Montana fish & wildlife agency
October 9, 2007Rainbow Trout2,0628.8"Montana fish & wildlife agency
May 15, 2007Rainbow Trout5,2776.2"Montana fish & wildlife agency
May 8, 2007Cutthroat Trout10,1593.1"Montana fish & wildlife agency
September 25, 2006Rainbow Trout9,3635.16"Montana fish & wildlife agency
May 17, 2006Cutthroat Trout10,1443.74"Montana fish & wildlife agency
September 29, 2005Rainbow Trout5,0005.7"Montana fish & wildlife agency
September 28, 2005Cutthroat Trout21,0931.9"Montana fish & wildlife agency
Show 42 more stocking records →
DateSpeciesNumberSizeSource
June 9, 2004Rainbow Trout5,0702.99"Montana fish & wildlife agency
May 6, 2004Cutthroat Trout10,5203.18"Montana fish & wildlife agency
June 16, 2003Rainbow Trout6,0033.77"Montana fish & wildlife agency
May 27, 2003Cutthroat Trout10,1273.23"Montana fish & wildlife agency
June 4, 2002Rainbow Trout5,0222.5"Montana fish & wildlife agency
May 30, 2002Cutthroat Trout10,3393.1"Montana fish & wildlife agency
July 3, 2001Rainbow Trout5,7003.5"Montana fish & wildlife agency
June 8, 2001Cutthroat Trout10,0673.2"Montana fish & wildlife agency
August 29, 1995Cutthroat Trout10,0003.8"Montana fish & wildlife agency
April 13, 1994Cutthroat Trout15,0005"Montana fish & wildlife agency
June 23, 1993Cutthroat Trout4,2865.8"Montana fish & wildlife agency
June 23, 1993Cutthroat Trout10,7142.7"Montana fish & wildlife agency
July 6, 1992Cutthroat Trout8,0285.5"Montana fish & wildlife agency
May 21, 1991Rainbow Trout15,0006"Montana fish & wildlife agency
April 23, 1990Rainbow Trout15,0006.4"Montana fish & wildlife agency
May 4, 1989Rainbow Trout10,0007"Montana fish & wildlife agency
May 4, 1989Rainbow Trout10,0006"Montana fish & wildlife agency
September 12, 1988Rainbow Trout5,0005"Montana fish & wildlife agency
May 16, 1988Rainbow Trout7,5006"Montana fish & wildlife agency
May 16, 1988Rainbow Trout7,5006"Montana fish & wildlife agency
September 24, 1987Rainbow Trout5,0005.9"Montana fish & wildlife agency
June 11, 1987Rainbow Trout5,0157.6"Montana fish & wildlife agency
May 18, 1987Rainbow Trout9,9557.1"Montana fish & wildlife agency
May 5, 1982Rainbow Trout10,9988"Montana fish & wildlife agency
October 6, 1981Rainbow Trout4,7717"Montana fish & wildlife agency
April 13, 1981Rainbow Trout10,0038"Montana fish & wildlife agency
October 6, 1980Rainbow Trout5,0056"Montana fish & wildlife agency
April 22, 1980Rainbow Trout10,0188"Montana fish & wildlife agency
October 17, 1979Cutthroat Trout10,0502"Montana fish & wildlife agency
October 15, 1979Rainbow Trout5,0006"Montana fish & wildlife agency
May 8, 1979Rainbow Trout10,2268"Montana fish & wildlife agency
September 13, 1978Rainbow Trout5,00010"Montana fish & wildlife agency
April 25, 1978Rainbow Trout10,0008"Montana fish & wildlife agency
September 28, 1977Rainbow Trout5,0009"Montana fish & wildlife agency
April 27, 1977Rainbow Trout49821"Montana fish & wildlife agency
April 25, 1977Rainbow Trout42422"Montana fish & wildlife agency
April 25, 1977Rainbow Trout9,9888"Montana fish & wildlife agency
September 20, 1976Rainbow Trout4,8397"Montana fish & wildlife agency
September 8, 1976Cutthroat Trout2,36011"Montana fish & wildlife agency
May 5, 1976Rainbow Trout31220"Montana fish & wildlife agency
May 4, 1976Rainbow Trout9,2757"Montana fish & wildlife agency
May 3, 1976Rainbow Trout62720"Montana fish & wildlife agency

Showing 50 of 113 stocking records.

Frequently asked

When was Mcdonald Lake last stocked?

According to Montana fish & wildlife agency, Mcdonald Lake was last stocked June 23, 2008 with Cutthroat Trout.

What fish species are stocked in Mcdonald Lake?

Mcdonald Lake is stocked with Cutthroat Trout and Rainbow Trout.

What time of year is Mcdonald Lake stocked?

Mcdonald Lake is typically stocked in spring and summer, most often in May.

How often is Mcdonald Lake stocked?

Mcdonald Lake has been stocked about 1 times a year — 113 recorded stockings between 1924 and 2008.

How many fish have been stocked in Mcdonald Lake?

About 777,214 fish have been stocked in Mcdonald Lake across 113 recorded events since 1924, per Montana fish & wildlife agency.

What size are the fish stocked in Mcdonald Lake?

Fish stocked in Mcdonald Lake average about 7.7 inches, based on the sizes the agency reported.

Do you need a fishing license to fish Mcdonald Lake?

Yes, all anglers age 16 and older generally need a valid Montana freshwater fishing license. Always review current regulations from Montana fish & wildlife agency for site-specific rules, bag limits, or stamps.

How do you catch stocked trout in Mcdonald Lake?

Freshly stocked trout in Mcdonald Lake typically respond well to floating dough bait (such as PowerBait) floated 12–18 inches off bottom on light 4–6 lb leader, live nightcrawlers under a bobber, and small inline spinners or spoons retrieved along shorelines and drop-offs.