🐟 What fish can you catch in Hamilton?

Most commonly caught species around Hamilton , PA : Largemouth bass - 3,532 reported catches Smallmouth bass - 1,252 reported catches Rainbow trout - 1,035 reported catches Bluegill - 801 reported catches Brown trout - 619 reported catches .

📢 What are the latest Hamilton fishing reports?

The latest Hamilton , PA fishing reports are: @natefrederique reported a nice Largemouth bass at Catoctin Mountain Park . @Tom_Sawyer reported a nice Rainbow trout at Conococheague Creek . @lukekramer9105 reported a nice Smallmouth bass . @Native_Hunter reported a nice Rainbow trout . @lukekramer9105 reported a nice Smallmouth bass . .

Fishing in Hamilton, PA

Q: 🎣 Where to fish in Hamilton, Pennsylvania?

Anglers in Hamilton , PA recommend these top fishing spots: Conodoguinet Creek , Conococheague Creek , East Branch Antietam Creek , Cowans Gap Lake , Letterkenny Reservoir .

Q: 📅 What is the best time to go fishing in Hamilton?

Download the Fishbrain app and see today's Fishing and Weather Forecast for Hamilton , PA . We give you weather trends and help you find the perfect window to catch your next personal best. With Fishbrain Pro , you will get the following capabilities: Plan smarter: Get hour-by-hour fishing weather conditions. Fish at peak times: Use BiteTime™ predictions to maximize catches. Stay ahead of the weather: Get hyper-local, real-time updates. .

Pennsylvania, United States

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Top fish species in Hamilton

Latest Hamilton fishing reports

Largemouth bass

Catoctin Mountain Park

length · weight

Rainbow trout

Conococheague Creek

18 in · 3 lb

Smallmouth bass

14 in · 1 lb 4 oz

Rainbow trout

12 in · 1 lb

Smallmouth bass

15 in · 2 lb

Smallmouth bass

Conodoguinet Creek

15 in · 2 lb

Smallmouth bass

Conodoguinet Creek

14 in · 1 lb 5 oz

Smallmouth bass

Conodoguinet Creek

15 in · 2 lb

Rainbow trout

11 in · 1 lb

Smallmouth bass

Conodoguinet Creek

17 in · 2 lb 5 oz

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Fishing regulations in Hamilton

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 Pennsylvania 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 Largemouth bass as of April 4th, 2026. To view regulations for a different fish species, please click on your preferred species in the drop-down.

Select species

Largemouth bass

Seasons

Open

Bag limit

Min size

15"

Measurement

Total Length

Special gear

Aggregate

Statewide regulations are shown. During the closed season, no harvest of bass; you must immediately release any bass you catch.

Jan 1 - Apr 12: minimum size = 15-inches; daily limit = 4 bass
Apr 13 - Jun 7: no harvest of bass; catch and immediate release only
Jun 8 - Sept 30: minimum size = 12-inches; daily limit = 6 bass
Oct 1 - Dec 31: minimum size = 15-inches; daily limit = 4 bass

To see additional site-specific trout regulations, you must see Pennsylvania Bass Fishing Regulations.

Very good Catch, Clean, Cook Largemouth Bass by BlueGabe

Micropterus nigricans

Regulations for

39°56′35.5″N 77°43′57.7″W

Regulations in the map

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FAQ about Hamilton fishing

Anglers in Hamilton, PA recommend these top fishing spots: Conodoguinet Creek, Conococheague Creek, East Branch Antietam Creek, Cowans Gap Lake, and Letterkenny Reservoir.

Most commonly caught species around Hamilton, PA:

Largemouth bass - 3,532 reported catches
Smallmouth bass - 1,252 reported catches
Rainbow trout - 1,035 reported catches
Bluegill - 801 reported catches
Brown trout - 619 reported catches

The latest Hamilton, PA fishing reports are:

@natefrederique reported a nice Largemouth bass at Catoctin Mountain Park.
@Tom_Sawyer reported a nice Rainbow trout at Conococheague Creek.
@lukekramer9105 reported a nice Smallmouth bass.
@Native_Hunter reported a nice Rainbow trout.
@lukekramer9105 reported a nice Smallmouth bass.

Download the and see today's Fishing and Weather Forecast for Hamilton, PA. We give you weather trends and help you find the perfect window to catch your next personal best. With Fishbrain Pro, you will get the following capabilities: