Grass River fishing

Grass River fishing has Brown Trout and Brook Trout on the stocking report. Also recorded: Walleye, Smallmouth bass, Northern pike, Brown bullhead, Rock bass, and Fallfish. It is stocked about 2.5 times a year since 2011, most often in May and June. Species guides list dawn, day, and dusk for Brown Trout, Brook Trout, and Northern pike, dawn, dusk, and night for Walleye and Rock bass, and dawn and dusk for Smallmouth bass.

Grass River
Photo: J.N. Morrell, CC BY 2.5
Last stocked
May 2025
Brown Trout
Plants on record
37
Since 2011
Species stocked
2 (+6 also recorded)
Average size
9.6 in
Elevation
154 ft

Fish at Grass River

2 stocked · 6 confirmed present

Brown Trout Stocked · 36 plants · last May 2025 Best: dawn, day, dusk

Last stocked May 2025 · avg 9.6 in · 36 plants

Best: dawn, day, dusk

Brown Trout species guide
Brook Trout Stocked · 1 plant · last May 2022 Best: dawn, day, dusk

Last stocked May 2022 · avg 9.5 in · 1 plant

Best: dawn, day, dusk

Brook Trout species guide

How Grass River is stocked

Source: New York State Department of Environmental Conservation.

Raquette River (3.9 mi) and Salmon River (12.8 mi) were stocked more recently. Raquette River is also stocked with Brown Trout and Salmon River is also stocked with Brown Trout and Brook Trout.

Fish stocked in 2011

2,450

Fish stocked in 2012

2,570

Fish stocked in 2013

2,100

Fish stocked in 2014

2,550

Fish stocked in 2015

2,480

Fish stocked in 2016

2,500

Fish stocked in 2017

2,390

Fish stocked in 2018

2,520

Fish stocked in 2019

2,570

Fish stocked in 2020

2,790

Fish stocked in 2021

2,170

Fish stocked in 2022

2,140

Fish stocked in 2023

730

Fish stocked in 2024

1,360

Fish stocked in 2025

1,410

Stocking history

Source: New York State Department of Environmental Conservation.
Date Species Quantity Avg. length Source
May 2025Brown Trout6908.3 inreport
May 2025Brown Trout6013.3 inreport
May 2025Brown Trout5808.3 inreport
May 2025Brown Trout8013.3 inreport
May 2024Brown Trout5609.3 inreport
May 2024Brown Trout6013.2 inreport
May 2024Brown Trout6609.3 inreport
May 2024Brown Trout8013.2 inreport
May 2023Brown Trout6609.4 inreport
May 2023Brown Trout7013.4 inreport
May 2022Brown Trout21013.5 inreport
May 2022Brown Trout6509.5 inreport
May 2022Brook Trout1,2809.5 inreport
May 2021Brown Trout8013.1 inreport
May 2021Brown Trout6509.4 inreport
May 2021Brown Trout16013.1 inreport
May 2021Brown Trout1,2809.4 inreport
May 2020Brown Trout6608 inreport
April 2020Brown Trout2,1308.7 inreport
June 2019Brown Trout1,7707.9 inreport
June 2019Brown Trout8007.9 inreport
June 2018Brown Trout1,7408.1 inreport
June 2018Brown Trout7808.1 inreport
May 2017Brown Trout7408.4 inreport
May 2017Brown Trout1,6508.4 inreport
June 2016Brown Trout7808.2 inreport
May 2016Brown Trout1,7208.1 inreport
May 2015Brown Trout1,7108 inreport
May 2015Brown Trout7708 inreport
May 2014Brown Trout7908.6 inreport
May 2014Brown Trout1,7608.6 inreport
May 2013Brown Trout6508.9 inreport
May 2013Brown Trout1,4508.9 inreport
May 2012Brown Trout8008.8 inreport
May 2012Brown Trout1,7708.8 inreport
May 2011Brown Trout7608.3 inreport
May 2011Brown Trout1,6908.3 inreport

Access and facts

Nearest town
Massena
Shore access
Yes
Boat ramp
Yes
Float tube friendly
Yes

The map point is near the mouth, downstream of Massena. Closest launch: the municipal boat launch behind the fire hall on Andrews Street in Massena. Upstream, DEC lists a state launch at Upper and Lower Lakes WMA below Canton, hand launches at Madrid, and fishing-rights banks near Russell.

Drafted by AI from the cited sources and checked before publishing.

View larger map · Open in Google Maps · Directions

Advisories, closures, regulations and water conditions change. Check the New York State Department of Environmental Conservation before you go.

About Grass River

Photo of Grass River
J.N. Morrell, CC BY 2.5

Nearest lakes

Raquette River 3.9 mi last stocked September 2025 Lawrence Brook 10.3 mi last stocked March 2020 Salmon River 12.8 mi last stocked September 2025 Little Salmon River 13.1 mi last stocked April 2025 Stony Brook 16.5 mi last stocked March 2020

Public land at Grass River

Grass River is 0.5 miles outside the edge of Robert Moses State Park – Thousand Islands.

It is 0.5 miles outside the edge of Robert Moses State Park (Long Island).

Boundaries from Public Lands DB, part of the same network.

Common questions

What fish are at Grass River?

Fishing Grass River usually means Brown Trout: Brown Trout accounts for 36 of 37 plants on record, ahead of Brook Trout. Brown Trout was last stocked May 2025, averaging 9.6 in. Brook Trout was last stocked May 2022, averaging 9.5 in. Walleye, Smallmouth bass, Northern pike, and Brown bullhead, plus 2 more are recorded here outside the stocking reports.

When is Grass River stocked?

Last stocked May 2025. It is stocked about 2.5 times a year since 2011, most often in May and June.

How big are the fish stocked at Grass River?

Stocked fish average 9.6 in. Brown Trout average 9.6 in. Brook Trout average 9.5 in.

How do you get on Grass River?

Shore fishing is available, there is a boat ramp, and it is float tube friendly. The nearest town is Massena. The map point is near the mouth, downstream of Massena. Closest launch: the municipal boat launch behind the fire hall on Andrews Street in Massena. Upstream, DEC lists a state launch at Upper and Lower Lakes WMA below Canton, hand launches at Madrid, and fishing-rights banks near Russell.

Which lakes near Grass River were stocked more recently?

Raquette River (3.9 mi) and Salmon River (12.8 mi) were stocked more recently. Raquette River is also stocked with Brown Trout and Salmon River is also stocked with Brown Trout and Brook Trout.

Sources (7) +