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Montmorency County

Thunder Bay River

Michigan DNR logged 1 trout stocking date at Thunder Bay River in 2026 so far, 6,500 fish in all. The latest was on Apr 30, 2026.

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

Thunder Bay River in numbers

fish stocked in 2026, through Nov 6
6,500
by the same date in 2025
6,700
in all of 2025
6,700
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, Apr 30, 20266,500Brown trout, avg 4.1 in
2026 · 6,500 fish on 1 date
DateSpeciesFishSiteAvg. length
Apr 30Brown trout1,900 fish · Site: McMurphy Road (Eichorn Bridge)1,900McMurphy Road (Eichorn Bridge)4.1 in
Apr 30Brown trout1,900 fish · Hall Road1,900Hall Road4.1 in
Apr 30Brown trout1,400 fish · M33 Highway1,400M33 Highway4.1 in
Apr 30Brown trout1,300 fish · Atlanta Dam Downstream1,300Atlanta Dam Downstream4.1 in
2025 · 6,700 fish on 1 date
DateSpeciesFishSiteAvg. length
Apr 28Brown trout2,000 fish · Hall Road2,000Hall Road4.8 in
Apr 28Brown trout2,000 fish · Site: McMurphy Road (Eichorn Bridge)2,000McMurphy Road (Eichorn Bridge)4.8 in
Apr 28Brown trout1,400 fish · M33 Highway1,400M33 Highway4.8 in
Apr 28Brown trout1,300 fish · Atlanta Dam Downstream1,300Atlanta Dam Downstream4.8 in
Every year since 2020
YearStocking datesFish
202616,500
202516,700
202416,500
202316,192
202216,880
202116,700
202016,598
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. 6.6k2020: 6,598 fish
  2. 6.7k2021: 6,700 fish
  3. 6.9k2022: 6,880 fish
  4. 6.2k2023: 6,192 fish
  5. 6.5k2024: 6,500 fish
  6. 6.7k2025: 6,700 fish
  7. 6.5k2026: 6,500 fish

What is stocked here

All records since 2020
SpeciesFishShare
Brown trout46,070100%

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

Also in Montmorency County: Avalon Lake, McCormick Lake, Clear Lake.

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