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Alpena County

Thunder Bay River

Michigan DNR logged 3 trout stocking dates at Thunder Bay River in 2026 so far, 88,601 fish in all. The latest was on May 13, 2026.

Michigan DNR data pulled . Latest record in the Michigan DNR data for any water: Oct 13, 2026.

Map: © OpenStreetMap contributors

Thunder Bay River in numbers

fish stocked in 2026, through Nov 6
88,601
by the same date in 2025
103,437
in all of 2025
103,437
Stocking log

Every stocking record

Every trout and salmon release Michigan DNR lists for this water in the last two years, newest first, then yearly totals since 2020. Counts include small fish (fingerlings) as well as catchable trout; the average length tells them apart (the DNR records it in centimetres; it is shown here in inches). The site is the stocking point the DNR names within the water.

Last stocked, May 13, 202610,480Atlantic salmon, avg 6.2 in
2026 · 88,601 fish on 3 dates
DateSpeciesFishSiteAvg. length
May 13Atlantic salmon10,480 fish · Alpena Research Station10,480Alpena Research Station6.2 in
May 12Atlantic salmon13,333 fish · Alpena Research Station13,333Alpena Research Station6.2 in
May 12Atlantic salmon13,330 fish · Alpena Research Station13,330Alpena Research Station6.4 in
May 12Rainbow trout10,000 fish · Alpena Research Station10,000Alpena Research Station7.2 in
May 12Rainbow trout9,994 fish · Alpena Research Station9,994Alpena Research Station7.2 in
Apr 23Coho salmon31,464 fish · Alpena Research Station31,464Alpena Research Station5.7 in
2025 · 103,437 fish on 3 dates
DateSpeciesFishSiteAvg. length
May 14Atlantic salmon15,000 fish · Alpena Research Station15,000Alpena Research Station7 in
May 14Atlantic salmon10,000 fish · Alpena Research Station10,000Alpena Research Station6.9 in
May 7Rainbow trout9,998 fish · Alpena Research Station9,998Alpena Research Station7.4 in
May 7Rainbow trout9,998 fish · Alpena Research Station9,998Alpena Research Station7.4 in
Apr 29Coho salmon43,392 fish · Alpena Research Station43,392Alpena Research Station5.3 in
Apr 29Atlantic salmon15,049 fish · Alpena Research Station15,049Alpena Research Station6.7 in
Every year since 2020
YearStocking datesFish
2026388,601
20253103,437
20245169,892
20234112,146
2022360,185
2021278,002
2020259,993
2020 – 2026

Trout stocked each year

2026 is outlined because the year is not over. The tallest full year is yellow. Counts include fingerlings. Records start in 2020.

  1. 60k2020: 59,993 fish
  2. 78k2021: 78,002 fish
  3. 60k2022: 60,185 fish
  4. 112k2023: 112,146 fish
  5. 170k2024: 169,892 fish
  6. 103k2025: 103,437 fish
  7. 89k2026: 88,601 fish

What is stocked here

All records since 2020
SpeciesFishShare
Atlantic salmon280,89142%
Coho salmon271,14640%
Rainbow trout120,21918%

Where it is

Michigan trout stockingAll Alpena County watersRecently stocked in Michigan

No single map point is given for this water in the USGS names database, so no map is shown.

Also in Alpena County: Lake Huron.

Source: DNR fish stocking database, Michigan Department of Natural Resources. Pulled . Check the agency and the current fishing rules before you go.