<Table> <Tr> <Td_colspan="2"> Columbia River </Td> </Tr> <Tr> <Td_colspan="2"> Bonneville Dam, in the Columbia River Gorge </Td> </Tr> <Tr> <Td_colspan="2"> Name origin: Captain Robert Gray's ship, Columbia Rediviva </Td> </Tr> <Tr> <Td_colspan="2"> Nickname: Big River, the River of the West, River Oregon </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Countries </Th> <Td> United States, Canada </Td> </Tr> <Tr> <Th> States </Th> <Td> Washington, Oregon </Td> </Tr> <Tr> <Th> Province </Th> <Td> British Columbia </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Td_colspan="2"> Tributaries </Td> </Tr> <Tr> <Td> - left </Td> <Td> Spillimacheen River, Beaver River, Illecillewaet River, Incomappleux River, Kootenay River, Pend Oreille River, Spokane River, Crab Creek, Snake River, John Day River, Deschutes River </Td> </Tr> <Tr> <Td> - right </Td> <Td> Kicking Horse River, Blaeberry River, Canoe River, Kettle River, Sanpoil River, Okanogan River, Entiat River, Wenatchee River, Yakima River, Lewis River, Cowlitz River </Td> </Tr> <Tr> <Th> Cities </Th> <Td> Revelstoke, BC, Wenatchee, WA, East Wenatchee, WA, Tri-Cities, WA, The Dalles, OR, Hood River, OR, Portland, OR, Vancouver, WA, Longview, WA, Astoria, OR </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Source </Th> <Td> Columbia Lake, Columbia Icefield </Td> </Tr> <Tr> <Td> - location </Td> <Td> British Columbia, Canada </Td> </Tr> <Tr> <Td> - elevation </Td> <Td> 2,690 ft (820 m) </Td> </Tr> <Tr> <Td> - coordinates </Td> <Td> 50 ° 13 ′ 35" N 115 ° 51 ′ 05" W ﻿ / ﻿ 50.22639 ° N 115.85139 ° W ﻿ / 50.22639; - 115.85139 </Td> </Tr> <Tr> <Th> Mouth </Th> <Td> Pacific Ocean, at Clatsop County, Oregon / Pacific County, Washington </Td> </Tr> <Tr> <Td> - elevation </Td> <Td> 0 ft (0 m) </Td> </Tr> <Tr> <Td> - coordinates </Td> <Td> 46 ° 14 ′ 39" N 124 ° 3 ′ 29" W ﻿ / ﻿ 46.24417 ° N 124.05806 ° W ﻿ / 46.24417; - 124.05806 Coordinates: 46 ° 14 ′ 39" N 124 ° 3 ′ 29" W ﻿ / ﻿ 46.24417 ° N 124.05806 ° W ﻿ / 46.24417; - 124.05806 </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Length </Th> <Td> 1,243 mi (2,000 km) </Td> </Tr> <Tr> <Th> Basin </Th> <Td> 258,000 sq mi (668,000 km) </Td> </Tr> <Tr> <Th> Discharge </Th> <Td> for mouth (average); max and min at The Dalles, Oregon, 188.9 miles (304.0 km) from the mouth </Td> </Tr> <Tr> <Td> - average </Td> <Td> 265,000 cu ft / s (7,500 m / s) </Td> </Tr> <Tr> <Td> - max </Td> <Td> 1,240,000 cu ft / s (35,100 m / s) </Td> </Tr> <Tr> <Td> - min </Td> <Td> 12,100 cu ft / s (300 m / s) </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Td_colspan="2"> Columbia River drainage basin </Td> </Tr> <Tr> <Td_colspan="2"> Wikimedia Commons: Columbia River </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> </Table> <Tr> <Td_colspan="2"> Columbia River </Td> </Tr>

Where does the columbia river meet the ocean