The Kilchis River Watershed is located just north of Tillamook, Oregon and Only in
Tillamook County. Most of the roads that run through the watershed are gravel and dirt
but there is one highway that crosses through the watershed at the base. The water shed
is made up of 13 smaller basins. The total area of the Kilchis River Watershed is 168 sq.
km. the length to width ratio is 1 to 1.97
The height elevation of the Kilchis River Watershed is 1006 meters and it runs all the
way to the ocean. Since the basin runs into the ocean then some of the slope is equal to
zero. The maximum slope is 60.2 degrees. The average slope in degrees is 29.1. The
average precipitation for the Kilchis River Watershed is 115 inches per year. In some
areas the precipitation is over 180 inches per year. The canopy vegetation consists of
three main types of cover. The main type is, Douglas fir-western hemlock-grand fir forest
the next most popular is, Sitka spruce-western hemlock forest and the last is Mixed
conifer and broadleaf deciduous forest.