StockedWaters

Upper Phyllis Lake Fish Stocking

Montana · 1951–1981 on record

Source: Montana fish & wildlife agency· updated 1981-08-04

According to Montana fish & wildlife agency, Upper Phyllis Lake was last stocked August 4, 1981 with Cutthroat Trout. Upper Phyllis Lake has 4 stocking records on file, spanning 1951–1981, with about 19,600 fish stocked over that period.

August 4, 1981
Last stocked
19,600
Fish stocked
1
Species
4
Stocking records

Angler's Field Guide

Fishing Tips & Stocking Guide for Upper Phyllis 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 Upper Phyllis 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 Upper Phyllis Lake was last stocked August 4, 1981, 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 Upper Phyllis 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.

Recommended Tackle for Upper Phyllis 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 Upper Phyllis Lake, freshest activity first.

Stocking history

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

DateSpeciesNumberSizeSource
August 4, 1981Cutthroat Trout1,5002"Montana fish & wildlife agency
September 7, 1961Cutthroat Trout3,7002"Montana fish & wildlife agency
September 24, 1959Cutthroat Trout7,2001"Montana fish & wildlife agency
September 7, 1951Cutthroat Trout7,2001"Montana fish & wildlife agency

Frequently asked

When was Upper Phyllis Lake last stocked?

According to Montana fish & wildlife agency, Upper Phyllis Lake was last stocked August 4, 1981 with Cutthroat Trout.

What fish species are stocked in Upper Phyllis Lake?

Upper Phyllis Lake is stocked with Cutthroat Trout.

How often is Upper Phyllis Lake stocked?

Upper Phyllis Lake is stocked intermittently — 4 recorded stockings between 1951 and 1981.

How many fish have been stocked in Upper Phyllis Lake?

About 19,600 fish have been stocked in Upper Phyllis Lake across 4 recorded events since 1951, per Montana fish & wildlife agency.

What size are the fish stocked in Upper Phyllis Lake?

Fish stocked in Upper Phyllis Lake average about 1.5 inches, based on the sizes the agency reported.

Do you need a fishing license to fish Upper Phyllis 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 Upper Phyllis Lake?

Freshly stocked trout in Upper Phyllis 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.