Map

Mill River

Fishing spots, fishing reports, and regulations in

Maine, United States

5 catches

Top fish species at Mill River

Brook trout
Brook trout
Striped bass
Striped bass
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Mill River fishing reports

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Brook trout

length · weight

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recently logged catches
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Brook trout

length · weight

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recently logged catches
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Brook trout

length · weight

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recently logged catches
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Striped bass

length · weight

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recently logged catches
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Striped bass

18 in · 2 lb

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General info

Mill River is a stream located in Knox County, Maine, United States. It is most popular for fishing Brook trout and Striped bass.

Location

44°05′12.3″N 69°10′11.5″W
Directions

When are Striped Bass biting on Mill River?

Learn what time of year and day to go fishing at Mill 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 Mill River, ME

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 Maine 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 Brook trout as of April 30th, 2026. To view regulations for a different fish species, please click on your preferred species in the drop-down.

Brook trout

Seasons

Open

Bag limit

5

Min size

6"

Measurement

Total Length

Aggregate

5
A valid Maine fishing license is required for anyone 16 years of age or older to fish in inland waters or transport fish taken from inland waters. 

Rivers, streams, brooks:

  • April 1 to August 15: Open to open water fishing.
  • August 16 to September 30: Open to open water fishing using artificial lures or flies only. General law length and bag limits apply, except daily bag limit one landlocked salmon and one brook trout.
  • October 1 to March 31: Closed to all fishing.

Lakes and ponds North Zone:

  • April 1 to September 30: Open to open water fishing.
  • October 1 to March 31: Closed to all fishing.

Lakes and ponds South Zone

  • January 1 to December 31: Open to ice and open water fishing, bag limit = 2 brook trout, splake, or arctic charr (in total)

See here for site specific regulations

Salvelinus fontinalis, brookie, coaster, speckled trout

Regulations for

44°05′12.3″N 69°10′11.5″W
Regulations in the map
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Local laws and licenses

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Cities nearby

Rockland

3.2 miles away

Belfast

24.5 miles away

Gardiner

31.7 miles away

Augusta

32.7 miles away

Bath

34.7 miles away

Hallowell

34.9 miles away

Waterville

39.9 miles away

Brunswick

42.1 miles away

Lisbon Falls

44.4 miles away

Northeast Harbor

45.8 miles away

Sabattus

46.5 miles away

Lisbon

46.7 miles away

Ellsworth

48.2 miles away

Greene

48.7 miles away

Lewiston

49.5 miles away

Brewer

52.7 miles away

Littlejohn Island

52.8 miles away

Cousins Island

53.2 miles away

Auburn

53.6 miles away

Bangor

54.8 miles away

Turner

55.2 miles away

Veazie

56.7 miles away

Chisholm

57.8 miles away

Corinna

57.9 miles away

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FAQ about Mill River fishing

the Mill River is a stream located in Knox County, Maine, United States. Its coordinates are:
44°05′12.3″N 69°10′11.5″W
.
Find the best fishing spots on the Mill 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 Mill River are:
  • Brook trout - 1 members reported to have caught this fish
  • Striped bass - 2 members reported to have caught this fish
The latest Mill River fishing reports are:
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