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South Branch Grass River

Fishing spots, fishing reports, and regulations in

New York, United States

20 catches

Top fish species at South Branch Grass River

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South Branch Grass River fishing reports

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Largemouth bass

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length · weight

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Brown trout

length · weight

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Brown trout

length · weight

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Brown trout

length · weight

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recently logged catches
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Brown trout

length · weight

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General info

South Branch Grass River is a stream located in St. Lawrence County, New York, United States. It is most popular for fishing Brown trout, Rainbow trout, and Yellow bullhead.

Location

44°15′21.4″N 74°44′28″W
Directions

When are Brown trout biting on South Branch Grass River?

Learn what time of year and day to go fishing at South Branch Grass River. Download Fishbrain today to look for new fishing spots, scout new fishing access, or prep for your next trip.

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Fishing regulations at South Branch Grass River, NY

Disclaimer: Always check local fishing regulations, water access rights and land ownership before fishing, regardless of any catches logged in that area by the Fishbrain community. Fishbrain has mapped millions of acres of government-owned land across the USA to help you identify potential fishing access, but you are responsible for ensuring compliance with all legal requirements.

Fishing regulations in New York can change throughout the year. Make sure to check this page before fishing for the most up to date rules and regulations for the current season. Local regulations govern when you can fish, the max size of the fish you can keep, how many fish you can keep, and more.

Below you will see fishing regulations for catching Brown trout as of May 5th, 2026. To view regulations for a different fish species, please click on your preferred species in the drop-down.

Brown trout

It is unlawful to harvest, possess, land, purchase, sell, or exchange this species.

For fishing in streams:

Excellent

Salmo trutta

Regulations for

44°15′21.4″N 74°44′28″W
Regulations in the map
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Local laws and licenses

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Cities nearby

Cranberry Lake

6.1 miles away

Star Lake

16.0 miles away

Hannawa Falls

26.5 miles away

Paul Smiths

27.1 miles away

Saranac Lake

30.6 miles away

St. Regis Falls

30.8 miles away

Canton

31.8 miles away

Potsdam

32.6 miles away

Eagle Bay

33.9 miles away

Richville

34.0 miles away

Hailesboro

34.5 miles away

Norwood

36.3 miles away

Rensselaer Falls

36.7 miles away

Lake Placid

37.4 miles away

Winthrop

37.7 miles away

Natural Bridge

39.7 miles away

Thendara

40.4 miles away

Heuvelton

41.2 miles away

Oxbow

43.8 miles away

Castorland

46.2 miles away

West Carthage

47.9 miles away

Herrings

48.0 miles away

Deferiet

49.0 miles away

Otter Lake

49.4 miles away

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FAQ about South Branch Grass River fishing

the South Branch Grass River is a stream located in St. Lawrence County, New York, United States. Its coordinates are:
44°15′21.4″N 74°44′28″W
.
Find the best fishing spots on the South Branch Grass River by looking at where other anglers have caught fish. This can easily be done in the where it is also possible to see big fish potential and how good fishing is right now along with Garmin® depth maps.
The most common species in the South Branch Grass River are:
The latest South Branch Grass River fishing reports are:
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