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 acres
Elevation 3,798.2 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
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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