Castle Rock Lake

Castle Rock Lake

Size
13,012ac
Boat Launch
Yes
Carry-in Launch
Yes
Toilet
No
Boat Dock
No
Species in Castle Rock Lake
Walleye
Walleye
Smallmouth bass
Smallmouth bass
Muskellunge
Muskellunge
Bluegill
Bluegill
Perch
Perch
Largemouth bass
Largemouth bass
Crappie
Crappie
Northern pike
Northern pike
Channel catfish
Channel catfish
Flathead catfish
Flathead catfish
Pumpkinseed
Pumpkinseed
Rock bass
Rock bass
Sturgeon
Sturgeon
Tiger muskellunge
Tiger muskellunge
White bass
White bass

Overview

Castle Rock Lake Map

Fishing Regulations

Special Fishing Regulations: This lake has special fishing regulations that differ from statewide or border water regulations for those species identified below and take precedence. Regulations listed below are currently in place. Visit the fishing regulations page for links to upcoming regulations for specific lakes.

Special Species Regulations

  • Bullheads: Open All Year: No minimum length limit and the daily bag limit is unlimited.
  • Catfish: Open All Year: No minimum length limit and the daily bag limit is 10.
  • Cisco And Whitefish: Open All Year: No minimum length limit and the daily bag limit is 10.
  • Lake Sturgeon: Closed: No fishing allowed.
  • Largemouth Bass And Smallmouth Bass: Open All Year: The minimum length limit is 14” and the daily bag limit is 5.
  • Muskellunge And Hybrids: May 2, 2026 to December 31, 2026 on open water: The minimum length limit is 50” and the daily bag limit is 1.
  • Northern Pike: Open All Year: The minimum length limit is 32” and the daily bag limit is 1.
  • Paddlefish: Closed: No fishing allowed.
  • Panfish: Open All Year: No minimum length limit and the daily bag limit is 25.
  • Rock, Yellow, And White Bass: Open All Year: No minimum length limit and the daily bag limit is unlimited.
  • Rough Fish: Open All Year: No minimum length limit and the daily bag limit is unlimited.
  • Round Goby: Open All Year: The daily bag limit is 0, one may be killed and possessed for transport to a WDNR Office.
  • Ruffe: Open All Year: The daily bag limit is 0, one may be killed and possessed for transport to a WDNR Office.
  • Shovelnose Sturgeon: Closed: No fishing allowed.
  • Trout: See specific regulations: See Trout Regulations
  • Walleye, Sauger, And Hybrids: Open All Year: The minimum length is 15”, but walleye, sauger, and hybrids from 20” to 28” may not be kept, and only 1 fish over 28” is allowed. The daily bag limit is 3.
  • White Perch: Open All Year: The daily bag limit is 0, one may be killed and possessed for transport to a WDNR Office.

Weather

Current Weather Icon
73°Feels like 73°
High Temperature84°
Low Temperature64°
Sunrise
6:00 AM
Sunset
8:08 PM
Wind Direction
0 mph
South
Precipitation
0 in
Rain
Pressure
29.84 inHg
Stable
Partly Cloudy
WednesdayWe
84° / 64°
Mostly Cloudy with Scattered Showers and Isolated Storms
ThursdayTh
80° / 59°
Partly Cloudy
FridayFr
78° / 59°
Mostly Cloudy with Showers and Chance of Storms
SaturdaySa
76° / 63°
Partly Cloudy with Showers
SundaySu
79° / 58°
Mostly Sunny
MondayMo
75° / 62°

Moon Phase

new moon
August 12, 2026
0% Illumination
new moon
Moon Rise and Set
Moon Rise 5:42 AM
Moon Set 8:16 PM
Moon Overhead Underfoot
Overhead 1:07 PM
Underfoot 12:40 AM
new moon
WednesdayWe08/12
waxing crescent
ThursdayTh08/13
waxing crescent
FridayFr08/14
waxing crescent
SaturdaySa08/15
waxing crescent
SundaySu08/16
waxing crescent
MondayMo08/17
waxing crescent
TuesdayTu08/18
Waterbody poster background

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Top Fish Species

Walleye
Walleye
8-28 in
Length Range
13 in
Length Range
2021
Surveyed
Abundance (CPUE)
Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths