Where to Fish Helena Valley Regulating Reservoir


No gasoline motors; public drinking water supply; no dogs off leash. Hunting and/or discharge of weapons for big game and upland birds is allowed during specified hunting seasons. With the opening of general waterfowl season, the reservoir is then closed to ALL hunting (waterfowl, big game and upland birds).

Size 553.05 acres
Elevation 3798.24 ft.
Directions 8 miles northeast of Helena on York Road.
Status of the Fishery
Township/Range/Section 10N 2W 9
Latitude/Longitude 46.63957 -111.87014
FWP Region Region 4 
County Lewis & Clark
Fishing District Central
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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
2015 5991 1545
2013 9066 2893
2011 3200 1045
2009 2597 735

View the latest Montana Fishing Regulations.

There is no fish consumption advisory for this waterbody.