🌐EnglishEnglishFrançaisNederlands中文日本語EntityQ644215· pop 7· linked from 54 articlesColumbia Sloughnarrow waterway in the floodplain of the Columbia River in the U.S. state of OregonWikidata factsImageColumbiaSlough at mouth.jpgvia Wikidata · CC0On the map2 mapped locationsAvailable in 6 languagesFrançais中文日本語CebuanoUkrainianvia Wikidata sitelinks · CC0ConnectionstideEntitysea levelEntityCategoriesColumbia RiverGeography of Portland, OregonRivers of Multnomah County, OregonRivers of OregonTributaries of the Willamette River