Grass River fishing

Fishing at Grass River has Brown Trout and Brook Trout on the stocking report. It is stocked about 2.5 times a year since 2011, most often in May and June. Species guides list dawn, day, and dusk as the active times.

Last stocked

May 1, 2025

Plants on record

37

Since 2011

Species recorded

2

Average size

9.6 in

Elevation

154 ft

How Grass River is stocked

The first plant of the year usually falls in the first week of May. In 2025 it was May 1, 2025, about when it usually is.

Salmon River (12.8 mi) was stocked more recently. Salmon River is also stocked with Brown Trout and Brook Trout.

Fish at Grass River

Fishing Grass River is most likely to be for Brown Trout. Brown Trout accounts for 36 of 37 plants on record, ahead of Brook Trout.

Brown Trout 36 plants
Plants
36 of 37
Last stocked
May 1, 2025
Average length
9.6 in

Seasons and rigs are on the Brown Trout guide.

Brook Trout 1 plant
Plants
1 of 37
Last stocked
May 1, 2022
Average length
9.5 in

Seasons and rigs are on the Brook Trout guide.

What to watch for

The last several miles of the Grasse River are contaminated with high levels of PCB, particularly near the old powerhouse and a drainage outlet from the Alcoa plant.

Fish stocked per year

  • 2,4502011
  • 2,5702012
  • 2,1002013
  • 2,5502014
  • 2,4802015
  • 2,5002016
  • 2,3902017
  • 2,5202018
  • 2,5702019
  • 2,7902020
  • 2,1702021
  • 2,1402022
  • 7302023
  • 1,3602024
  • 1,4102025

Stocking history

Showing 15 of 37 plants Showing 37 plants

Source: New York State Department of Environmental Conservation.
Date Species Quantity Avg. length Source
May 1, 2025 Brown Trout 690 8.3 in report
May 1, 2025 Brown Trout 60 13.3 in report
May 1, 2025 Brown Trout 580 8.3 in report
May 1, 2025 Brown Trout 80 13.3 in report
May 1, 2024 Brown Trout 560 9.3 in report
May 1, 2024 Brown Trout 60 13.2 in report
May 1, 2024 Brown Trout 660 9.3 in report
May 1, 2024 Brown Trout 80 13.2 in report
May 1, 2023 Brown Trout 660 9.4 in report
May 1, 2023 Brown Trout 70 13.4 in report
May 1, 2022 Brown Trout 210 13.5 in report
May 1, 2022 Brown Trout 650 9.5 in report
May 1, 2022 Brook Trout 1,280 9.5 in report
May 1, 2021 Brown Trout 80 13.1 in report
May 1, 2021 Brown Trout 650 9.4 in report
May 1, 2021 Brown Trout 160 13.1 in report
May 1, 2021 Brown Trout 1,280 9.4 in report
May 1, 2020 Brown Trout 660 8 in report
April 1, 2020 Brown Trout 2,130 8.7 in report
June 1, 2019 Brown Trout 1,770 7.9 in report
June 1, 2019 Brown Trout 800 7.9 in report
June 1, 2018 Brown Trout 1,740 8.1 in report
June 1, 2018 Brown Trout 780 8.1 in report
May 1, 2017 Brown Trout 740 8.4 in report
May 1, 2017 Brown Trout 1,650 8.4 in report
June 1, 2016 Brown Trout 780 8.2 in report
May 1, 2016 Brown Trout 1,720 8.1 in report
May 1, 2015 Brown Trout 1,710 8 in report
May 1, 2015 Brown Trout 770 8 in report
May 1, 2014 Brown Trout 790 8.6 in report
May 1, 2014 Brown Trout 1,760 8.6 in report
May 1, 2013 Brown Trout 650 8.9 in report
May 1, 2013 Brown Trout 1,450 8.9 in report
May 1, 2012 Brown Trout 800 8.8 in report
May 1, 2012 Brown Trout 1,770 8.8 in report
May 1, 2011 Brown Trout 760 8.3 in report
May 1, 2011 Brown Trout 1,690 8.3 in report
Show 22 more plants Show less

Species stocked here

Depth-by-season, top lures, and bait notes for each species stocked here are on its own species guide, linked above.

Nearest lakes