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Whetstone River

Fishing spots, fishing reports, and regulations in

South Dakota, United States

3.0·19 catches

Top fish species at Whetstone River

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Whetstone River fishing reports

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Yellow bullhead

length · weight

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Channel catfish

29 in · 7 lb

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Largemouth bass

length · weight

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Largemouth bass

length · weight

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Largemouth bass

19 in · 4 lb 4 oz

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Largemouth bass

length · weight

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General info

Whetstone River is a stream located in Grant County, South Dakota, United States. It is also intersecting with Big Stone County, Minnesota. It is most popular for fishing Channel catfish, Largemouth bass, and Freshwater drum.

Location

45°17′0″N 96°30′37.4″W
Directions

Amenities

When are Largemouth Bass biting on Whetstone River?

Learn what time of year and day to go fishing at Whetstone 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 Whetstone River, SD

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 South Dakota 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 Channel catfish as of April 21st, 2026. To view regulations for a different fish species, please click on your preferred species in the drop-down.

Channel catfish

Seasons

Open

Bag limit

10

Measurement

Total Length

Aggregate

10

Ictalurus punctatus

Regulations for

45°17′0″N 96°30′37.4″W
Regulations in the map
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Local laws and licenses

South Dakota fishing license

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Reviews of Whetstone River

3.0
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1 ratings

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1
Top reviews

Cities nearby

Big Stone City

2.4 miles away

Ortonville

3.6 miles away

Milbank

7.4 miles away

Corona

12.9 miles away

Correll

17.3 miles away

Barry

19.1 miles away

Strandburg

20.5 miles away

Johnson

22.5 miles away

South Shore

24.0 miles away

Madison

24.4 miles away

Summit

25.7 miles away

Browns Valley

26.6 miles away

Holloway

29.3 miles away

Waverly

30.0 miles away

Kranzburg

33.5 miles away

Gary

33.9 miles away

Agency Village

34.3 miles away

Wheaton

36.1 miles away

Donnelly

36.9 miles away

Hancock

37.7 miles away

Waubay

38.8 miles away

Enemy Swim

39.1 miles away

Watson

39.4 miles away

Cyrus

43.9 miles away

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FAQ about Whetstone River fishing

the Whetstone River is a stream located in Grant County, South Dakota, United States. It is also intersecting with Big Stone County, Minnesota. Its coordinates are:
45°17′0″N 96°30′37.4″W
.
Find the best fishing spots on the Whetstone 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 Whetstone River are:
The latest Whetstone River fishing reports are:
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