FISHMT :: Waterbody Details

Rock Island Lake

Lake gets a fair amount of use due to relatively easy access. YCT are stocked every 3 years. Fishing is good for nice sized YCT and EB. In 2018 MTFWP netted in the NE arm.

Waterbody Information

Size:	137 acres
Elevation:	8,177 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:
Fishing District:	Central
Type:	MTNLAKE

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Current Waterbody Report

Fish Species

Contact Information

Survey Data

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	Waterbody	Section	Field Form Type	Date	Purpose	Species

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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

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For Comparative analysis all Length Units are millimeters : all Weights are grams

Waterbody	Section	Species	Count	AveLength	StdDevLength	MinLength	MaxLength	AveWeight	StdDevWeight	MinWeight	MaxWeight

To see this data, first select one or more rows from the Collection Info tab.

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

To see this data, first select one or more rows from the Collection Info tab.

This is a preview, all fields will be visible by selecting a download option. For Comparative analysis all Length Units are millimeters : all Weights are grams.

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	Agency	Start Depth	End Depth

FWP Fishing Access Sites

Fishing Pressure

Year	Angler Days	Std. Error
2020	310	222
2019	312	312

Stocking Information

Regulations

View the latest Montana Fishing Regulations.

Gauging Stations

No Gauging Stations found.

Fish Consumption Advisory

There is no fish consumption advisory for this waterbody.

Reports

Additional Files

Rock Island Lake Bathymetric Map

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Additional Information

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MONTANA

FISH, WILDLIFE & PARKS

MONTANA

FISH, WILDLIFE & PARKS

Rock Island Lake

Waterbody Information

Current Waterbody Report

Fish Species

Contact Information

Survey Data

Click on rows to select them for use in other tabs.

To see this data, first select one or more rows from the Collection Info tab.

For Comparative analysis all Length Units are millimeters : all Weights are grams

To see this data, first select one or more rows from the Collection Info tab.

For Comparative analysis all Length Units are millimeters : all Weights are grams

To see this data, first select one or more rows from the Collection Info tab.

For Comparative analysis all Length Units are millimeters : all Weights are grams

To see this data, first select one or more rows from the Collection Info tab.

This is a preview, all fields will be visible by selecting a download option. For Comparative analysis all Length Units are millimeters : all Weights are grams.

FWP Fishing Access Sites

Fishing Pressure

Stocking Information

Regulations

Gauging Stations

Fish Consumption Advisory

Reports

Additional Files

Additional Information

Fishing Information