Where to Fish Kersey Lake


Lake trout have become self-sustaining but in apparently low #'s. They seem to have increased brook trout size. Eb ave '83 = 8.1" '87 = 9.1" '89 = 11.6" '91 = 10.2" '95 = 10.4" '97 = 11.5" '02 = 9.7" '06=8.9". '83 - 20 lt 9.2-11.4" av 10.3", 20 eb 6.4-11.9" av 8.1", '87 0 lt 22eb 6.4-12.9" av 9.1 1 6" chub, '89 3 lt 14.7-16.8 av 15.6, 8 eb 10.7-12.6" av 11.6", '91 2 lt 16.0-28.8" av 22.4" 58 eb 6.2-13.5" av 10.2" chub 6.5". '95 4 lt 10.6-20.2" av 17.3", 55 eb 6.4-16.5", chub 6.4". '97 4 lt 13.7-21.2" av 17.9, 27 eb 8.3-13.7" av 11.5, 3 CT 7.9-16.0".Much of shore burned in '88. '89 creel cards 4 CT <8-12"??? 81 eb <8-16", 1 eb 16+". Two nets set in '02. Two nets set in '06 2012 FWP survey 20.5 hr net set caught 18 EB test 2 LT.

Size 118.0 acres
Elevation 8065.52 ft.
Directions Approximately 2 miles of Excellent Trail from cooke pass. 4x4 trucks can reach the northwest corner of the lake.
Status of the Fishery
Township/Range/Section 09S 15E 22
Latitude/Longitude 45.02816 -109.84025
FWP Region Region 5 
County Park
Fishing District Central
Type: MTNLAKE
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Waterbody Section Field Form Type Date Purpose Species
For Comparative analysis all Length Units are millimeters : all Weights are grams
Species Count Avg StdDev Min Max AvgWgt StdDevWgt MinWeight S/L Sects Surveys Waterbody
For Comparative analysis all Length Units are millimeters : all Weights are grams
Waterbody Section Species Count AveLength StdDevLength MinLength MaxLength AveWeight StdDevWeight MinWeight MaxWeight
For Comparative analysis all Length Units are millimeters : all Weights are grams
Waterbody Year Section Species Count AveLength StdDevLength MinLength MaxLength AveWeight StdDevWeight MinWeight MaxWeight
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Id Fcs Id Fnd Id Species Year Species Abbrv Length Weight M/C Count Sex Mort Hook Scar Disease Scales Otolith Fin Clip Tag Comment Genetics Age Stomach Intercept Slope Gear Equipment Trip Date Pass/Run Water Section Lat/Down Lon/Down Lat/Up Lon/Up
Year Angler Days Std. Error
2015 344 257
2013 493 342
2011 150 87
2009 112 79

View the latest Montana Fishing Regulations.

There is no fish consumption advisory for this waterbody.