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Izaak Walton Park

Fishing spots, fishing reports, and regulations in

Colorado, United States

4.6·124 catches

Top fish species at Izaak Walton Park

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Izaak Walton Park fishing reports

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Largemouth bass

length · weight

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Rainbow trout

length · weight

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Walleye

length · weight

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Rainbow trout

20 in · 3 lb

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Rainbow trout

21 in · 4 lb

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Rainbow trout

12 in · 1 lb 2 oz

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General info

Izaak Walton Park is a lake located in Boulder County, Colorado, United States. It is most popular for fishing Rainbow trout, Largemouth bass, and Channel catfish.

Location

40°09′40.4″N 105°07′8.2″W
Directions

Official website

longmontcolorado.gov

Amenities

When are Largemouth Bass biting on Izaak Walton Park?

Learn what time of year and day to go fishing at Izaak Walton Park. 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 Izaak Walton Park, CO

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 Colorado 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.

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Local laws and licenses

Colorado fishing license

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Reviews of Izaak Walton Park

4.6
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5 ratings

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Top reviews

Cities nearby

Longmont

1.1 miles away

Niwot

4.8 miles away

Gunbarrel

7.3 miles away

Leyner

7.6 miles away

Mead

8.3 miles away

Frederick

8.7 miles away

Firestone

9.0 miles away

Lyons

9.0 miles away

Erie

9.3 miles away

Altona

9.5 miles away

Valmont

9.9 miles away

Berthoud

10.9 miles away

Dacono

11.3 miles away

Lafayette

11.5 miles away

Boulder

11.8 miles away

Lazy Acres

12.4 miles away

Pine Brook Hill

12.8 miles away

Louisville

13.2 miles away

Seven Hills

14.2 miles away

Jamestown

14.7 miles away

Broomfield

14.7 miles away

Sunshine

14.9 miles away

Platteville

15.6 miles away

Johnstown

15.8 miles away

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FAQ about Izaak Walton Park fishing

Izaak Walton Park is a lake located in Boulder County, Colorado, United States. Its coordinates are:
40°09′40.4″N 105°07′8.2″W
.
Find the best fishing spots on Izaak Walton Park 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 Izaak Walton Park are:
The latest Izaak Walton Park fishing reports are:

Fishing in Colorado requires a valid state fishing license for anglers. Licenses include resident, non-resident, daily, annual, and combination options, available online or at licensed agents.

In Colorado, no fishing license is required for anglers under 16. Residents 64 and older qualify for a heavily discounted license. A few other exceptions worth knowing:

  • Free fishing days — most states designate 1–2 weekends a year where anyone can fish without a license

  • Tribal waters — tribal members fishing on tribal land operate under separate tribal regulations

  • Private ponds — landowners fishing their own water typically don't need a license

Non-residents usually pay more for a license than residents. Some species also require an extra stamp or endorsement on top of your base license.

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