Overview
Holter Lake is a reservoir in MT. Primary inflow is Missouri River. It is managed by NorthWestern Energy / Montana FWP.
The basin is characterized by about 4,800 acres of surface area. Shoreline and bottom character vary from protected coves and flats to deeper water, supporting a mix of open-water and nearshore habitats.
Holter Lake supports recreational boating and fishing. Public access is through area ramps, parks, and shoreline facilities where provided by the operator. Fishing and boating regulations are set by the relevant state wildlife agency.
Operating elevations for Holter Lake are documented by the managing authority. Full-pool and related figures are left unset until an official published value is confirmed. Current level, when available from an authoritative gauge, is the practical reference for access and recreation.
Current Conditions
- Drought conditionsNo Drought
About This Lake
Learn how this lake is managed, what affects its water level, and where Lake Insights gets its data.
Holter Lake is a 4,800-acre reservoir on the Missouri River managed by NorthWestern Energy / Montana FWP.
