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Oregon's Longest Rivers

Name rivers 50 miles or longer that at least partly flow through Oregon, including tributaries and intermittent streams.

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Last updated: January 18, 2026

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First submitted	January 18, 2026
Times taken	63
Average score	27.3%
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Hint	Answer
1,249 mi	Columbia River
1,078 mi	Snake River
346 mi	Owyhee River
287 mi	Klamath River
284 mi	John Day River
251 mi	Deschutes River
216 mi	Rogue River
190 mi	Malheur River
187 mi	Willamette River
182 mi	Grande Ronde River
153 mi	Powder River
128 mi	Nehalem River
125 mi	Crooked River
122 mi	Middle Fork Willamette River
119 mi	Silvies River
117 mi	North Fork John Day River
112 mi	Umpqua River
110 mi	Siuslaw River
110 mi	North Umpqua River
110 mi	South Umpqua River

Hint	Answer
105 mi	Little Deschutes River
99 mi	Jordan Creek
98 mi	Burnt River
92 mi	North Santiam River
91 mi	Smith River
89 mi	Umatilla River
88 mi	Dry River (Crooked River)
88 mi	McKenzie River
87 mi	Silver Creek
84 mi	Sprague River
83 mi	Clackamas River
83 mi	Tualatin River
82 mi	Rock Creek (John Day River)
79 mi	Willow Creek (Columbia River)
78 mi	Donner und Blitzen River
76 mi	South Fork Crooked River
75 mi	Cow Creek (South Umpqua River)
75 mi	Middle Fork John Day River
75 mi	Sycan River

Hint	Answer
73 mi	Imnaha River
72 mi	Calapooia River
70 mi	Williamson River
69 mi	Siletz River
67 mi	Succor Creek
66 mi	South Santiam River
64 mi	Pudding River
63 mi	South Fork Coquille River
63 mi	West Little Owyhee River
62 mi	Bully Creek
61 mi	Luckiamute River
60 mi	Lost River
60 mi	South Fork John Day River
60 mi	South Yamhill River
59 mi	North Fork Malheur River
59 mi	Yaquina River
57 mi	Butter Creek
57 mi	Rattlesnake Creek
57 mi	Willow Creek (Malheur River)

Hint	Answer
56 mi	Chetco River
56 mi	Illinois River
56 mi	Rock Creek (Catlow Valley)
56 mi	Wallowa River
55 mi	Long Tom River
55 mi	Sandy River
54 mi	Fifteenmile Creek
54 mi	Dry Creek (Crooked Creek)
53 mi	Nestucca River
53 mi	Warm Springs River
53 mi	North Fork Coquille River
53 mi	Chewaucan River
51 mi	Applegate River
51 mi	Cow Creek (Jordan Creek)
51 mi	Crooked Creek
51 mi	Minam River
51 mi	Trout Creek
50 mi	Molalla River
50 mi	Walla Walla River

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1 Comments

+1

Level 62

Apr 28, 2026

Nominated! Could you make a map version by any chance? I know that would definitely be more difficult.

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