Known hazards in King County rivers

Caution: Boating and river-related recreation and use is, by its very nature, hazardous and could result in serious bodily injury, damage or loss of equipment, or even death. The decision to accept this risk is entirely your own. This site is intended to provide general information on boating and river-related recreation on King County rivers and is no substitute for skill, knowledge, or judgment.

• Reporting rivers hazards, King County Sheriff's Marine Unit

Known hazards

Snoqualmie/Skykomish River Basin

• Tolt River: spanning logs and logjam downstream of SR 203 bridge - May 2011
• Middle Fork Snoqualmie River between Tanner and confluence with North Fork (“Club Stretch”) - Updated Feb. 2011
• Snoqualmie River boating hazard - Updated July 2010
• Raging River below Preston, multiple logjams - Dec. 2008

Cedar River

• Cedar River boating hazard created by cable spanning river - April 2012
• Cedar River landslide blockage, constricted side-channel, and logs - Feb. 2001

Green River

• Green River boating hazard at Nozzle Rapid - May 2012
• UPDATE: Green River: fallen tree no longer spanning channel near Flaming Geyser - April 2012
• Middle Green River - Multiple logjams below Metzler Park takeout - July 2008
• Green River - logjam blocking Auburn Narrows - March 1996

Information important to river users

• Boater safety
• Water safety
• Recreational boating in King County
• Large wood on King County rivers

Project support and funding for this site was provided by King County's Department of Natural Resources, Water and Land Resources Division and Washington State Parks and Recreation Commission Boating Programs with funds distributed through the U.S. Coast Guard. For more information please call King County at 206-296-8001.