Niawiakum River Natural Area Preserve

This 1,098-acre preserve is an unusually high quality, intact tidal river system that contains some of theintact tidal river system best remaining salt marsh systems in Willapa Bay and along the entire Washington/Oregon coast. The diverse habitats support a wide variety of wildlife, including the state sensitive bald eagle, great blue herons, elk, kingfishers and many others. 
Features Protected: Four types of salt marsh ecosystems: (low salinity high marsh; moderate salinity high marsh; silty, moderate salinity low marsh; and transition zone wetland) and associated plant communities.
Ecoregion: Northwest Coast (Pacific County) 

Science, Research and Monitoring

Public and private universities, other research institutions and individual researchers may contact DNR to propose a research project at the site. If you are interested in pursuing research at Niawiakum River NAP, please contact David Wilderman, natural areas ecologist, at  

Environmental Education and Public Access 

Currently, no formal educational programs are available at Niawiakum River NAP. The site is not ADA accessible and facilities are not available. For more information, contact the DNR Pacific Cascade Region natural areas manager.