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Stream Details

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Stream Details

Dunning Spring

General Information

County: Winneshiek
Location: Located in Dunnings Spring Park on the north side of Decorah off Ice Cave Road.
Stream Segment Length: 0.20

Amenities

Amenities at Dunning Spring include:
  • Picnic Area
  • Trails
  • Good/Excellent Shorefishing

Brook Trout - Fair: Brook trout taking a variety of flies imitating gnats, midges, caddis or an occasional mayfly. Use care not to alarm it when approaching the stream in gin clear water.
Brown Trout - Good: Best time to fish spooky brown's is when water is off color. Use lures that mimic small minnows or midges.
With turkey season in full swing, anglers should avoid wearing red, white, or blue. Streams maintain nice holdover numbers for the casual angler. Stream stocking continues even though they are not announced. The calendar is now available on-line at https://www.iowadnr.gov/Fishing/Trout-Fishing.
Rainbow Trout - Good: Use a small piece of worm on a hook and fish through a deeper hole.

Since 2019, this very small stream began receiving an annual stocking of domestic Rainbow Trout fingerlings. Prior to this, it received Brook Trout fingerling stockings. This stream is in a beautiful Decorah city park with a continuous flowing waterfall.(2022)

Stream Maps

Download Printable Stream Map

Parking Access
Catchable Trout Waters
Fingerling Stocked or Natural Reproduction
Restrictive Regulation Stream

You can zoom the map in and out using the slider on the left hand side, and you can pan the map by clicking and dragging. Rollover features for more information. Click streams to go to their page.

    No known aquatic invasive species have been found

  • 5/16/22 - 250 Brook Trout (2)
  • 06/03/2021 - 500 Rainbow Trout (6.3)
  • 05/15/2020 - 500 Rainbow Trout (5)
  • 06/12/2019 - 503 Rainbow Trout (6.2)
  • 06/05/2018 - 500 Brook Trout (5)
  • 5/24/2017 - 500 Brook Trout (3")
  • 6/24/16 - 501 Brook Trout (4")
  • 06/09/2015 - 500 Brook Trout (4")
  • 06/13/2014 - 500 Brook Trout (4")

The Fishing Regulations brochure is available for download. The summaries listed below are a partial listing provided for your benefit.

  • Rainbow Trout
    • Season: Continuous
    • Daily Bag Limit: combined trout (brook, brown, and rainbow) - 5 fish
    • Possession Limit: combined trout (brook, brown, and rainbow) - 10 fish
    • Length Limit: none
    • Other: Anglers must have paid the Trout Fee to fish for or possess trout

Tip: Click the arrow in the lower right corner to view the Fish Survey Data tool in full-screen mode.

Iowa-Caught Fish Are Safe to Eat, In Almost All Cases

The vast majority of Iowa’s streams, rivers and lakes offer safe and high-quality fish that pose little or no threat to human health if consumed. Some limitations may apply for young children and pregnant women. Here’s a Fish Consumption Fact Sheet from the Iowa DNR and the Iowa Dept. of Public Health for more information. Here is a list of current fish consumption advisories for Iowa lakes and rivers.

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