Blue Pit

General Information

County: Cerro Gordo
Location: southwest edge of Mason City
Acres: 15.00
Maximum Depth: 34 ft. (1992)
Motoring Restrictions: Electric Motors Only

Nearby Parks

Clear Lake State Park


Amenities at Blue Pit include:
  • Boat Access
  • Accessible Pier
  • Beach
  • Trails
  • Accessible Facilities
  • Good/Excellent Shorefishing
  • Gravel Boat Ramp
  • Community Fishing Location
Most of the lakes in north central Iowa have frozen over. There has been no fishing activity reported. If you do venture out use extreme caution as the ice thickness varies greatly. For more information contact the Clear Lake Fish and Wildlife office at 641-357-3517.
There will be an Urban Trout Stocking at Blue Pit in Mason City on Wednesday, November 21st. 1,500 Rainbow trout will be stocked at approximately 11:00 AM. Anglers are reminded to have a 2018 fishing license (age 16 and older) and trout stamp.

You can zoom in on the map for bathymetric information for some lakes

  • annual 2017 - 4,021 Rainbow Trout (2-3/lb)
  • Jan 2016 - 1,250 Brook Trout (2-3/lb)
  • Jan 2016 - 3,000 Rainbow Trout (2-3/lb)
  • annual 2015 - 4,000 Rainbow Trout (2-3/lb)
  • annual 2014 - 4,127 Rainbow Trout (2-3/lb)
  • Winter 2013 - 4,000 Rainbow Trout (2-3/lb)
  • winter 2012 - 3,000 Rainbow Trout (2-3/lb)
  • winter 2011 - 2,900 Rainbow Trout (2-3/lb)
  • winter 2010 - 2,900 Rainbow Trout (2-3/lb)
  • 09/08/2010 - 216 Channel Catfish (9.4")
  • winter 2009 - 6,000 Rainbow Trout (2-3/lb)
  • winter 2008 - 6,267 Rainbow Trout (2-3/lb)
  • 09/10/2008 - 270 Channel Catfish (7.4")
The Fishing Regulations brochure is available for download. The summaries listed below are a partial listing provided for your benefit.

  • Bluegill
    • Season: Continuous
    • Daily Bag Limit: 25 fish
    • Possession Limit: unlimited
    • Length Limit: none
    • Other: No daily limit on private waters
  • Largemouth Bass
    • Season: Continuous
    • Daily Bag Limit: combined black bass, 3 fish
    • Possession Limit: combined black bass, 6 fish
    • Length Limit: 15-inch minimum
    • Other:
  • 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
Blue Pit was stocked with 2500 trout on January 16th. The stock had 50% rainbows and 50% brook trout. Anglers should have opportunities for trout through the spring.(2016)


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.