Linked from

The 24 pages that link to Columbia River, each with the reason it gives.

• Pacific NorthwestRelated: Its basin links communities and ecosystems across the region.

• Oregon TreatyRelated: The treaty protected British navigation of the river south of the new boundary.

• Oregon CountryBroader topic: Its basin formed the geographic core of the territory both powers claimed.

• Hanford SiteRelated: The river borders Hanford, making water quality and downstream ecosystems central cleanup concerns.

• North American CordilleraRelated: Its basin links Cordilleran snowpack, valleys, hydropower, and downstream ecosystems.

• Missoula floodsRelated: The floods entered its valley and used it as a principal downstream route.

• OregonRelated: It forms much of Oregon’s northern boundary and links the state to the Pacific.

• Portland, OregonRelated: Its deep-water channel connects Portland’s port to the Pacific.

• Astoria, OregonNarrower topic: Astoria stands near its mouth, where river traffic meets the ocean.

• Grand Coulee DamRelated: The dam spans this river, controlling its flow and storing water in Lake Roosevelt.

• Snake RiverNarrower topic: The Snake ends as one of the Columbia’s largest tributaries.

• Manson familyRelated: The river sustained the community’s fishing village and shaped its homeland.

• Meriwether LewisRelated: Following it carried the expedition from the interior to the Pacific coast.

• Canadian RockiesRelated: Its headwaters begin in the Rockies and support downstream ecosystems and power systems.

• Celilo FallsNarrower topic: Celilo Falls formed where the Columbia narrowed and descended through basalt.

• Oregon boundary disputeRelated: Both powers valued the river corridor, which figured in proposals for the boundary.

• Willamette RiverRelated: The Willamette meets the Columbia near Portland, adding its flow to the larger river.

• Columbia IcefieldBroader topic: Southern outlets from the icefield contribute water to its headwaters.

• Columbia PlateauRelated: Its long-term incision exposes and cuts through the plateau’s volcanic layers.

• Washington (state)Related: It forms much of Washington’s southern boundary and supports irrigation, shipping, and hydropower.

• Astoria–Megler BridgeRelated: The bridge crosses the river near its mouth, where shipping and estuary conditions shape its design.

• D. B. CooperRelated: The ransom discovery on its bank raised questions about where the money traveled and how it was buried.

• Kootenay RiverNarrower topic: The Kootenay reaches its mouth as a tributary of this larger river.

• Yakama Indian ReservationRelated: The river system supports fisheries and treaty-protected practices tied to Yakama lands.