Terrain & Climate

The Dungeness River System : The Dungeness River, one of the steepest rivers in the United States, cascades over 7,800 feet in only 35 miles, providing essential water, riparian habitat and beautiful scenery for the Sequim-Dungeness Valley.

Taking Care of the Dungeness River : Our river is central to the culture and life of our area, please take time to read the following and learn what is being done to to care for it and How you can help!

• Microbial Source Tracking: Finding which animals contribute to the fecal coliform in Dungeness Bay.
• Mycoremediation: Using fungi to remove bacteria from water.
• Guide for Dungeness River Landowners and Neighbors on how to care for the Dungeness (PDF)

Main Habitats in The Dungeness Watershed

Dungeness River Flow Data - Current Conditions

Seasonal and Annual Flows of the Dungeness River :The period October to December typically has rainstorms and snow, whereas the period January to March has snowpack accumulation with fewer storms.

Weather and climate of the Rainshadow

Rainshadow Effect

Geology of the north Olympic Peninsula : This is interesting and unusual territory, only beginning to be understood in the light of the plate tectonics research of the last half of the 1900s.  The Olympic Peninsula is a ‘young’ addition to the west coast of North America, with oldest rocks dating back only about 50 million years.