THE CLALLAM COUNTY LAND BRIEF
Land in the
Low Olympics setting.
Clallam County has 1,738.8 square miles of land in Washington. 6 mapped landscape regions meet across Clallam County: Low Olympics, Coastal Uplands, Olympic Rainshadow, among others.
Pacific-facing coastal mountains support moisture-loving conifers, with marine terraces, dunes and beaches along the ocean edge. Inland slopes and the immediate coast have different vegetation patterns.
Regional context: Coast Range ↗ · Regional mapping across the county footprint
Where the landscape changes
Clallam County intersects 6 mapped regional units. The largest mapped shares are:
- Low Olympics48.8%
- Coastal Uplands18.5%
- Olympic Rainshadow17.7%
- High Olympics8.6%
- Volcanics4.2%
Puget Lowland in Clallam County
A glacial lowland surrounds Puget Sound with islands, bays, peninsulas and rolling terrain. Moraines, outwash plains and river terraces create a varied setting beneath the region's maritime climate.
Read the regional source ↗North Cascades in Clallam County
Rugged high mountains and glacial terrain span a strong west-to-east climate transition. Wetter maritime forests to the west contrast with drier inland conditions on the eastern side.
Read the regional source ↗Finding your parcel within Clallam County
The atlas lists 12 cities, towns, townships, and Census communities associated with Clallam County, including Port Angeles, Sequim, Blyn. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Clallam County by land and water
The Census records 930.2 square miles of water within Clallam County, or 34.9% of its total area. That share is close to Clallam County’s 34.9%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Clallam County has 3,077.5 times the land area of nearby Clallam Bay CDP (0.57 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Jefferson County, San Juan County within Washington. A tract near one of these lines should be matched to the county identifier on its own records.

