Overview
Diamond Lake is a natural lake in OR. It is managed by U.S. Forest Service / ODFW.
The basin is characterized by about 3,044 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.
Diamond 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.
Diamond Lake is not operated to a classic reservoir full-pool curve. Where a gauge exists, water-surface elevation is the reference. Conditions still matter for boating, fishing access, and shoreline use.
Current Conditions
- 7-day trendStableLatest movement can differ from the seven-day trend.
- 7-day changeNo meaningful change
- 30-day changeNo meaningful change
- Drought conditionsExtreme Drought
About This Lake
Learn how this lake is managed, what affects its water level, and where Lake Insights gets its data.
Diamond Lake is a 3,044-acre reservoir managed by U.S. Forest Service / ODFW.






