StockedWaters

Spar Lake Fish Stocking

Montana · 1933–2026 on record

Source: Montana fish & wildlife agency· updated 2026-06-23

According to Montana fish & wildlife agency, Spar Lake was last stocked June 23, 2026 with Rainbow Trout. Spar Lake has 135 stocking records on file, spanning 1933–2026, with about 3,958,717 fish stocked over that period.

June 23, 2026
Last stocked
3,958,717
Fish stocked
7
Species
135
Stocking records

When Spar Lake is stocked

Spar Lake is typically stocked in summer, most often in June — 47 stocking events in that peak month.

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

Angler's Field Guide

Fishing Tips & Stocking Guide for Spar 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 Spar 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 Spar Lake was last stocked June 23, 2026, 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 Spar 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.

Kokanee & Salmon Tactics

Troll small dodgers followed by micro-hoochies or wedding ring spinners tipped with shoepeg corn. Use downriggers or lead-core line to reach cooler thermocline depths (typically 20–50 ft in summer).

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.

Kokanee Profile Tips

Usually caught by trolling small lures or bait behind flashers at depth; a major fall spectacle when spawning runs turn red in tributary streams.

Recommended Tackle for Spar 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.

Kokanee & Salmon FavoriteMack's Lure

Mack's Lure Classic Wedding Ring Spinner

A classic Western trolling lure designed to be tipped with shoepeg corn and run behind a dodger in deep thermoclines.

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 Spar Lake, freshest activity first.

Stocking history

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

DateSpeciesNumberSizeSource
June 23, 2026Rainbow Trout1,9993.22"Montana fish & wildlife agency
July 2, 2025Rainbow Trout2,0003.76"Montana fish & wildlife agency
May 13, 2024Kokanee25,0002.5"Montana fish & wildlife agency
May 6, 2024Rainbow Trout2,1007.7"Montana fish & wildlife agency
May 25, 2023Rainbow Trout1,6547.72"Montana fish & wildlife agency
May 15, 2023Kokanee10,0622.74"Montana fish & wildlife agency
June 3, 2022Kokanee45,0892.03"Montana fish & wildlife agency
June 3, 2022Rainbow Trout2,0138.23"Montana fish & wildlife agency
Show 42 more stocking records →
DateSpeciesNumberSizeSource
May 25, 2021Rainbow Trout2,2007.53"Montana fish & wildlife agency
May 12, 2021Kokanee25,0002.75"Montana fish & wildlife agency
July 8, 2020Rainbow Trout9917.4"Montana fish & wildlife agency
June 24, 2020Rainbow Trout1,1007.25"Montana fish & wildlife agency
June 4, 2020Rainbow Trout1,1017.23"Montana fish & wildlife agency
June 3, 2020Rainbow Trout1,1007.17"Montana fish & wildlife agency
May 21, 2020Kokanee50,0003"Montana fish & wildlife agency
May 22, 2019Kokanee50,7272"Montana fish & wildlife agency
May 21, 2019Rainbow Trout2,0017.2"Montana fish & wildlife agency
June 5, 2018Rainbow Trout2,2007.61"Montana fish & wildlife agency
May 16, 2017Rainbow Trout2,3177.59"Montana fish & wildlife agency
May 26, 2016Rainbow Trout2,2017.18"Montana fish & wildlife agency
May 12, 2016Kokanee50,1152.06"Montana fish & wildlife agency
May 18, 2015Kokanee55,6502.3"Montana fish & wildlife agency
May 13, 2015Rainbow Trout6787.62"Montana fish & wildlife agency
May 13, 2015Rainbow Trout1,3567.62"Montana fish & wildlife agency
June 5, 2014Rainbow Trout5344.76"Montana fish & wildlife agency
June 3, 2014Rainbow Trout1,5084.76"Montana fish & wildlife agency
October 15, 2013Rainbow Trout5,1123.88"Montana fish & wildlife agency
October 15, 2013Cutthroat Trout5,0962.5"Montana fish & wildlife agency
June 13, 2013Kokanee45,0153"Montana fish & wildlife agency
September 7, 2012Rainbow Trout5,5053.67"Montana fish & wildlife agency
June 18, 2012Kokanee55,9382.5"Montana fish & wildlife agency
August 10, 2011Cutthroat Trout5,5081.48"Montana fish & wildlife agency
July 5, 2011Kokanee30,0002"Montana fish & wildlife agency
July 5, 2011Rainbow Trout5,5113.43"Montana fish & wildlife agency
September 2, 2010Rainbow Trout5,4983.23"Montana fish & wildlife agency
June 25, 2010Cutthroat Trout4,7715.2"Montana fish & wildlife agency
June 16, 2010Kokanee36,9002"Montana fish & wildlife agency
August 25, 2009Rainbow Trout5,4804.5"Montana fish & wildlife agency
June 12, 2009Cutthroat Trout5,0753.88"Montana fish & wildlife agency
June 11, 2009Kokanee43,6803"Montana fish & wildlife agency
August 26, 2008Rainbow Trout5,7003.52"Montana fish & wildlife agency
July 7, 2008Cutthroat Trout82510.12"Montana fish & wildlife agency
August 30, 2007Rainbow Trout10,0303.31"Montana fish & wildlife agency
October 10, 2006Rainbow Trout11,6743.82"Montana fish & wildlife agency
September 16, 2005Rainbow Trout10,8683.7"Montana fish & wildlife agency
June 12, 2003Rainbow Trout2,9852.91"Montana fish & wildlife agency
June 12, 2003Rainbow Trout6652.11"Montana fish & wildlife agency
June 12, 2003Rainbow Trout7862.5"Montana fish & wildlife agency
June 12, 2003Rainbow Trout2,4482.18"Montana fish & wildlife agency
June 12, 2003Rainbow Trout3,7952.57"Montana fish & wildlife agency

Showing 50 of 135 stocking records.

Frequently asked

When was Spar Lake last stocked?

According to Montana fish & wildlife agency, Spar Lake was last stocked June 23, 2026 with Rainbow Trout.

What fish species are stocked in Spar Lake?

Spar Lake is stocked with Rainbow Trout, Kokanee, Cutthroat Trout, Lake Trout, Arctic Grayling, Brook Trout, and Coho Salmon.

What time of year is Spar Lake stocked?

Spar Lake is typically stocked in summer, most often in June.

How often is Spar Lake stocked?

Spar Lake has been stocked about 1 times a year — 135 recorded stockings between 1933 and 2026.

How many fish have been stocked in Spar Lake?

About 3,958,717 fish have been stocked in Spar Lake across 135 recorded events since 1933, per Montana fish & wildlife agency.

What size are the fish stocked in Spar Lake?

Fish stocked in Spar Lake average about 3.6 inches, based on the sizes the agency reported.

Do you need a fishing license to fish Spar 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 Spar Lake?

Freshly stocked trout in Spar 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.