Berg Reservoir Fish Stocking
Montana · 1958–2013 on record
According to Montana fish & wildlife agency, Berg Reservoir was last stocked June 10, 2013 with Rainbow Trout. Berg Reservoir has 6 stocking records on file, spanning 1958–2013, with about 20,831 fish stocked over that period.
When Berg Reservoir is stocked
By species
Angler's Field Guide
Fishing Tips & Stocking Guide for Berg Reservoir
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 Berg Reservoir, 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 Berg Reservoir was last stocked June 10, 2013, 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 Berg Reservoir:
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.
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 Berg Reservoir
Field-tested tackle and presentations matched to the species stocked here.
Berkley PowerBait Floating Trout Dough
Hatchery-raised trout are conditioned to pelleted scents; scented dough floated 12–18 inches off bottom consistently triggers strikes.
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.
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.
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Nearby stocked waters
Other stocked waters near Berg Reservoir, freshest activity first.
Chief Joseph Pond
9 mi3 species · 176 records
Last stocked June 2026
Deadmans Basin Reservoir
13 mi6 species · 547 records
Last stocked May 2026
Lebo Lake
16 mi6 species · 84 records
Last stocked July 1993
Olnhauser Lake
18 mi3 species · 4 records
Last stocked August 1968
American Fork
5 mi4 species · 39 records
Last stocked June 1954
Lake Blue Water
18 mi1 species · 1 records
Last stocked September 1953
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| June 10, 2013 | Rainbow Trout | 507 | 4.47" | Montana fish & wildlife agency |
| June 28, 1967 | Rainbow Trout | 1,000 | 5" | Montana fish & wildlife agency |
| May 16, 1966 | Rainbow Trout | 2,000 | 5" | Montana fish & wildlife agency |
| July 5, 1962 | Rainbow Trout | 1,200 | 4" | Montana fish & wildlife agency |
| May 10, 1960 | Rainbow Trout | 3,100 | 4" | Montana fish & wildlife agency |
| September 16, 1958 | Rainbow Trout | 13,024 | 2" | Montana fish & wildlife agency |
Frequently asked
When was Berg Reservoir last stocked?
According to Montana fish & wildlife agency, Berg Reservoir was last stocked June 10, 2013 with Rainbow Trout.
What fish species are stocked in Berg Reservoir?
Berg Reservoir is stocked with Rainbow Trout.
How often is Berg Reservoir stocked?
Berg Reservoir is stocked intermittently — 6 recorded stockings between 1958 and 2013.
How many fish have been stocked in Berg Reservoir?
About 20,831 fish have been stocked in Berg Reservoir across 6 recorded events since 1958, per Montana fish & wildlife agency.
What size are the fish stocked in Berg Reservoir?
Fish stocked in Berg Reservoir average about 4.1 inches, based on the sizes the agency reported.
Do you need a fishing license to fish Berg Reservoir?
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 Berg Reservoir?
Freshly stocked trout in Berg Reservoir 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.