Where to Fish Rock Island Lake


Lake gets a fair amount of use due to relatively easy access. YCT stocked every 3 years. Fishing is good for nice sized YCT and EB. 2013 FWP sample YCT up to 16 inches and EB up to 13 inches.

Size 137.0 acres
Elevation 8177.04 ft.
Directions 3.25 miles from Kersey Lake Trailhead. Past Kersey take right Trail #565 ~.75 miles to rock island.
Status of the Fishery
Township/Range/Section 09S 15E 25
Latitude/Longitude 45.01641 -109.80979
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
This is a preview, all fields will be visible by selecting a download option

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
2013 275 210
2009 1683 1032

View the latest Montana Fishing Regulations.

There is no fish consumption advisory for this waterbody.