The Lower Nehalem Watershed:
- Covers 310 sq. miles
- Is a rain-forest receiving between 100 and 200 inches of rain each year (see annual rainfall on the left).
- Is managed primarily for timber production. Fifty two percent of the land is owned by the State of Oregon and managed by the Oregon Department of Forestry. Private Timber companies own 31.6 percent of the land and the remaining 16.4% is farm land or zoned for urban and rural development.
- It includes the Nehalem estuary, and four fifth field watersheds:
- Cook Creek,
- North Fork Nehalem,
- Salmonberry and
- Mid Nehalem