THE HIDDEN VALLEY LAKE LAND BRIEF
Land in the
Napa-Sonoma-Lake Volcanic Highlands setting.
Hidden Valley Lake CDP has 9.82 square miles of land in Lake County. Its Census reference point is in Napa-Sonoma-Lake Volcanic Highlands, within Central California Foothills and Coastal Mountains.
Oak woodland, chaparral and grassland occupy foothills and low coastal mountains around the Central Valley. Narrow agricultural valleys interrupt this landscape of dry summers and wetter winters.
Regional context: Central California Foothills and Coastal Mountains ↗ · Classification at the Census reference point
Hidden Valley Lake and Lake County
Hidden Valley Lake is associated with Lake County in the Census boundary data. Start with the parcel’s tax bill to match the property to that jurisdiction, then confirm which government handles its land use.
Hidden Valley Lake by land and water
The Census records 0.15 square miles of water within Hidden Valley Lake, or 1.5% of its total area. It is 4 percentage points lower than the 5.5% recorded for Lake County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Hidden Valley Lake CDP has 5.3 times the land area of nearby Middletown CDP (1.84 square miles). These areas describe boundaries, not comparable property prices.

