The Columbia Slough is a narrow waterway, about 19 miles (31 km) long, in the floodplain of the Columbia River in the U.S. state of Oregon.

It encompasses land and waterways in north and northeast Portland, Gresham, Fairview, Wood Village, and Maywood Park. The slough watershed supports a wide range of wildlife, some of which are …

The Columbia Slough Watershed is a 60-mile drainage area with 19 miles of navigable waterways that support an urban landscape of 170,000 residents, 4,200 businesses, along with river otters, painted …

The Columbia Slough in North Portland has changed dramatically since the arrival of European Americans. The eighteen-mile-long channel once ran from the Columbia River near the confluence of …

Dec 19, 2025 · The Columbia Slough is a nearly 20-mi chain of narrow waterways and ponds that stretches almost continuously from Kelly Point (at the confluence of the Willamette and Columbia …

Ed Washington, a Civil Rights leader and the first Black member of the Portland Metro Council, had grown up on the Slough in Vanport, a slapdash town created to house workers who’d moved to …

Apr 16, 2025 · Forking off from the Columbia River, the Columbia Slough sits above the St John’s neighborhood, it is parallel to and South of the Columbia River, originating in Fairview Lake and …

The Columbia Slough is a narrow waterway, about 19 miles long, in the floodplain of the Columbia River. The Columbia Slough is a remnant of the historic wetlands between the mouths of the Sandy River …

The Columbia Slough is a narrow waterway, about 19 miles (31km) long, in the floodplain of the Columbia River in the U.S. state of Oregon.

Today the Columbia Slough comprises a 19-mile main channel that parallels the Columbia River, as well as approximately a dozen additional miles of secondary waterways. Other remaining major surface …