Location

Helena Valley Reservoir and Dam

Helena Valley Reservoir and Dam are located approximately 8 miles northeast of Helena, Montana and 3.5 miles west of Canyon Ferry Dam. The reservoir is along the Tenmile Creek Tributary and the dam is an earthfill structure 91 feet high.
Location Tags Missouri River Basin, Helena Valley Reservoir, Helena Valley Dam
Location Parent
State(s) Montana
Unified Region(s) Missouri Basin
Reclamation Region(s) (Legacy) Great Plains
Timezone MT
Elevation 3,817 ft
Vertical Datum NAVD88
Coordinates (lat, long) (46.6381, -111.8822)
Horizontal Datum WGS84
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