Thunder Bay River trout stocking
Montmorency County, Michigan · lake
Thunder Bay River was last stocked 6 months ago (May 13, 2026). We have 35 stockings on record since Apr 18, 2017, 3 in the last 12 months (63,637 fish). Most stockings come in April to May. Species stocked: atlantic salmon, rainbow trout, brown trout.
Last stocked
6 months ago
May 13, 2026
Next planned
Not announced
Last 12 months
3 stockings
63,637 fish
On record
35 stockings
since Apr 18, 2017
- The most stocked water in Montmorency County (35 stocking days on record).
- Stocked more often than 97% of Michigan waters on our record.
When is Thunder Bay River stocked?
Most stockings come in April to May. Stocked 3 times in 2026, mostly in May, about every 12 days.
By month, all years
Year by year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 2 | ||||||||||
| 2025 | 2 | 2 | ||||||||||
| 2024 | 1 | 2 | 1 | |||||||||
| 2023 | 1 | 3 | ||||||||||
| 2022 | 1 | 3 | ||||||||||
| 2021 | 1 | 1 | ||||||||||
| 2020 | 2 | 1 | ||||||||||
| 2019 | 1 | 2 |
What is stocked
| Species | Stockings | Fish | Fish per stocking | Typical size |
|---|---|---|---|---|
| Atlantic salmon | 14 | 350,815 | 25,058 | 6.4 in |
| Rainbow trout | 11 | 183,910 | 16,719 | 7.9 in |
| Brown trout | 11 | 110,276 | 10,025 | 4.8 in |
Stocking history
20263 stockings · 63,637 fish
| Date | Species | Fish | Size | Since previous |
|---|---|---|---|---|
May 13Latest Wednesday | Atlantic salmon | 10,480 | 6.2 in | 1 day |
May 12 Tuesday | Atlantic salmonRainbow trout | 46,657 | 6.8 in | 12 days |
Apr 30 Thursday | Brown trout | 6,500 | 4.1 in | 351 days |
20254 stockings · 66,745 fish
| Date | Species | Fish | Size | Since previous |
|---|---|---|---|---|
May 14 Wednesday | Atlantic salmon | 25,000 | 7.0 in | 1 week |
May 7 Wednesday | Rainbow trout | 19,996 | 7.4 in | 8 days |
Apr 29 Tuesday | Atlantic salmon | 15,049 | 6.7 in | 1 day |
Apr 28 Monday | Brown trout | 6,700 | 4.8 in | 216 days |
20244 stockings · 81,500 fish
| Date | Species | Fish | Size | Since previous |
|---|---|---|---|---|
Sep 24 Tuesday | Atlantic salmon | 30,000 | 4.5 in | 131 days |
May 16 Thursday | Atlantic salmon | 25,000 | 7.4 in | 3 days |
May 13 Monday | Rainbow trout | 20,000 | 7.9 in | 27 days |
Apr 16 Tuesday | Brown trout | 6,500 | 4.8 in | 335 days |
20234 stockings · 66,938 fish
- May 17 atlantic salmon, 20,748 fish
- May 9 atlantic salmon, 19,998 fish
- May 8 rainbow trout, 20,000 fish
- Apr 10 brown trout, 6,192 fish
20224 stockings · 67,065 fish
- May 19 rainbow trout, 10,115 fish
- May 18 rainbow trout, 10,121 fish
- May 10 atlantic salmon, 39,949 fish
- Apr 11 brown trout, 6,880 fish
20212 stockings · 34,704 fish
- May 20 atlantic salmon, 28,004 fish
- Apr 7 brown trout, 6,700 fish
20203 stockings · 66,591 fish
- May 12 atlantic salmon, 40,000 fish
- Apr 30 brown trout, 6,598 fish
- Apr 2 rainbow trout, 19,993 fish
20193 stockings · 46,674 fish
- May 15 atlantic salmon, 18,181 fish
- May 1 rainbow trout, 21,497 fish
- Apr 30 brown trout, 6,996 fish
20184 stockings · 96,226 fish
- Nov 14 brown trout, 40,000 fish
- May 4 atlantic salmon, 22,119 fish
- May 1 brown trout, 12,110 fish
- Apr 26 rainbow trout, 21,997 fish
20174 stockings · 54,921 fish
- May 23 brown trout, 5,100 fish
- Apr 27 rainbow trout, 9,997 fish
- Apr 20 atlantic salmon, 29,624 fish
- Apr 18 rainbow trout, 10,200 fish
From Michigan fish and wildlife agency reports, collected nightly and kept after the agency takes them down. Agencies revise reports; check the agency's report before you go. Seasons and limits: Michigan fishing regulations.
Other stocked waters in Montmorency County
- Foch Lakeslakestocked May 27, 2026
- Avalon Lakelakestocked Apr 22, 2026
- McCormick Lakelakestocked Apr 21, 2026
- Clear Lakelakestocked Apr 17, 2026
- Lake Fifteenlakestocked Apr 29, 2019
All stocked waters in Montmorency CountyStocked this week in Michigan
Questions about Thunder Bay River
- When was Thunder Bay River last stocked?
- The latest reported stocking was May 13, 2026 (atlantic salmon, 10,480 fish), according to Michigan agency reports.
- How often is Thunder Bay River stocked?
- Stocked 3 times in 2026, mostly in May, about every 12 days. Across all years on record, most stockings come in April to May.
- Is Thunder Bay River stocked often?
- The most stocked water in Montmorency County (35 stocking days on record). Stocked more often than 97% of Michigan waters on our record. We count each day the agency reported stocking it.
- What kind of trout are stocked in Thunder Bay River?
- Atlantic salmon (14 stockings, 350,815 fish); Rainbow trout (11 stockings, 183,910 fish); Brown trout (11 stockings, 110,276 fish).