Geography Tool Shed : Columbia River

United States Rivers

States	Canada (187 mi), Oregon (308 mi), Washington (748 mi)
Length	1,243.0 miles
Watershed Length^*	36,729 miles
Mouth	Eastern Pacific Ocean
GNIS	1140014

Tributaries

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Name	Distance from Mouth (miles)	Length (miles)	Watershed Length (miles)
Adler Creek	256	34	54
Chelan River	503	56	113
Clatskanie River	48	32	57
Colville River	702	58	174
Cowlitz River	66	127	595
Deep Creek	740	14	26
Deep River	18	12	12
Deschutes River	202	256	1,532
Douglas Creek	447	51	51
Entiat River	483	57	84
Fifteenmile Creek	190	54	125
Foster Creek	544	2	43
Germany Creek	54	14	14
Glade Creek	271	45	72
Grays River	18	32	32
Hall Creek	680	25	25
Hanson Creek	406	13	13
Hawk Creek	634	27	27
Hood River	167	13	72
John Day River	217	285	1,243
Kalama River	71	45	45
Kettle River	709	34	56
Klickitat River	178	95	231
Kootenai (Kootenay) River	748	485	1,072
Lake River	85	14	41
Lewis River	85	91	254
Little White Salmon River	160	21	21
Lower Crab Creek	410	49	350
Methow River	524	92	316
Mill Creek	187	8	22
Multnomah Channel	84	22	62
Nespelem River	582	26	26
Ninemile Creek	649	23	23
Okanogan River	533	83	308
Pend Oreille River	748	157	4,599
Pine Creek	248	31	31
Rock Creek	148	16	16
Rock Creek	227	28	28
Rock Island Creek	454	20	20
Sandy River	118	57	166
Sanpoil River	615	73	169
Sherman Creek	703	22	34
Snake River	324	1,080	17,021
Spokane River	639	140	1,025
Squilchuck Creek	463	12	12
Swakane Creek	474	12	12
Umatilla River	287	89	366
Walla Walla River	313	56	452
Washougal River	118	34	50
Wenatchee River	468	54	307
White Salmon River	166	45	67
Willamette River	99	188	2,537
Willow Creek	251	78	122
Wilmont Creek	655	23	23
Wind River	152	34	34
Yakima River	334	218	1,208

— Watercourse ‐ ‐ ‐ Watershed

* Note: Watershed is mostly rivers/streams 15+ miles in length.

Data from United States Geological Survey