Learn About the River

The lower Columbia River flows 146 miles from Bonneville Dam to the Pacific Ocean. It is arguably the most important reach of the entire Columbia River, nurturing fish and wildlife in the transition from fresh water to salt water, passing through major cities and towns, flowing through wildlife refuges, supporting ports and a shipping channel, and providing valued recreation opportunities.

History, recreation, environment, culture, jobs, fish and wildlife - there's so much to learn about the lower Columbia River. Explore these pages for topics across the spectrum of interests and increase your lower Columbia River knowledge. The more we know this great river, the more we want to protect it.

Quick Facts

What is an Estuary, anyways? How deep is the Columbia River? How long is the Columbia River? Explore the answers to these questions and others.


Stories from the River Community

Ken Karch and Bernie Gerkens paddled most of the Lower Columbia River Water Trail one year in late August. Karch’s full trip report, which includes passages from the Lewis and Clark journals, and his overall impressions of the trip, is available at www.lcrep.org. Here, we pick up the journey towards the end of Day 6, their last day on the water.  ....Learn More about the River Community >>