Castle Rock Lake fishing

Fishing at Castle Rock Lake is on a reservoir, stocked with Muskellunge and Yellow Perch. It is stocked about 2 times a year since 2010, most often in January. Species guides list dawn and dusk for Muskellunge and dawn, day, and dusk for Yellow Perch.

Last stocked

January 1, 2025

Plants on record

32

Since 2010

Species recorded

2

Average size

9.3 in

Surface acres

13,027.6

Access and facts

Water type
reservoir
Nearest town
Germantown, WI
Boat ramp
Yes
Float tube friendly
Yes
ADA accessible
Yes
Fee required
Yes
Facilities
restrooms, dock, cleaning station

Castle Rock Lake has at least ten public ramps and one carry-in site across Adams and Juneau counties. Several require a State Park and Forest vehicle sticker or a $5 daily fee; ADA access and restrooms vary by landing. Public beaches are also on file.

Sources: water_type , access.boat_ramp , access.ada , access.float_tube , access.fee , facilities , facilities , nearest_town , shore_notes , shore_notes

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How Castle Rock Lake is stocked

The first plant of the year usually falls in the first week of January. In 2025 it was January 1, 2025, about when it usually is.

No plants recorded in 2020.

Fish at Castle Rock Lake

Fishing Castle Rock Lake is most likely to be for Muskellunge. Muskellunge accounts for 24 of 32 plants on record, ahead of Yellow Perch.

Muskellunge 24 plants
Plants
24 of 32
Last stocked
January 1, 2024
Average length
11 in

Seasons and rigs are on the Muskellunge guide.

Yellow Perch 8 plants
Plants
8 of 32
Last stocked
January 1, 2025
Average length
4.2 in

Seasons and rigs are on the Yellow Perch guide.

Fish stocked per year

  • 1,6042010
  • 5,0962011
  • 12,3102012
  • 7,9572013
  • 2,7002014
  • 2,7002015
  • 3,9502016
  • 1,5502017
  • 1,6002018
  • 1,0002019
  • 2,9702021
  • 1,6242022
  • 3,1222023
  • 2,2002024
  • 1,0002025

Stocking history

Showing 15 of 32 plants Showing 32 plants

Source: Wisconsin Department of Natural Resources.
Date Species Quantity Avg. length Source
January 1, 2025 Yellow Perch 1,000 4 in report
January 1, 2024 Yellow Perch 1,000 3.5 in report
January 1, 2024 Muskellunge 1,200 11 in report
January 1, 2023 Muskellunge 2,500 11 in report
January 1, 2023 Muskellunge 622 11.2 in report
January 1, 2022 Muskellunge 624 11 in report
January 1, 2022 Yellow Perch 1,000 4 in report
January 1, 2021 Muskellunge 616 12.5 in report
January 1, 2021 Yellow Perch 1,000 4 in report
January 1, 2021 Muskellunge 1,354 12 in report
January 1, 2019 Yellow Perch 1,000 5 in report
January 1, 2018 Yellow Perch 1,000 5 in report
January 1, 2018 Muskellunge 600 11 in report
January 1, 2017 Yellow Perch 1,000 4 in report
January 1, 2017 Muskellunge 550 12 in report
January 1, 2016 Muskellunge 450 11 in report
January 1, 2016 Yellow Perch 1,000 4 in report
January 1, 2016 Muskellunge 2,500 10.7 in report
January 1, 2015 Muskellunge 2,500 11.8 in report
January 1, 2015 Muskellunge 200 12 in report
January 1, 2014 Muskellunge 2,500 11.1 in report
January 1, 2014 Muskellunge 200 12 in report
January 1, 2013 Muskellunge 7,957 9.7 in report
January 1, 2012 Muskellunge 4,591 10.9 in report
January 1, 2012 Muskellunge 4,454 9.7 in report
January 1, 2012 Muskellunge 2,965 1.6 in report
January 1, 2012 Muskellunge 300 11.5 in report
January 1, 2011 Muskellunge 2,499 9.7 in report
January 1, 2011 Muskellunge 2,297 9.3 in report
January 1, 2011 Muskellunge 300 16 in report
January 1, 2010 Muskellunge 100 12 in report
January 1, 2010 Muskellunge 1,504 12.9 in report
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Species stocked here

Depth-by-season, top lures, and bait notes for each species stocked here are on its own species guide, linked above.

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