Koguna da Gicciye

Kogin Boulder wani yanki ne na Kogin Yellowstone, kimanin kilomita 60 (96), a kudancin tsakiyar Montana a Amurka. Yana daya daga cikin koguna biyu da ake kira Boulder River a Montana .  

Ya tashi a cikin gandun daji na Gallatin a cikin Absaroka Range a kudancin Park County. Yana gudana a arewa ta hanyar tsaunuka masu tsaunuka, wani cataract a ƙarƙashin gada ta halitta, da arewa maso yamma a cikin kwarin da ya wuce McLeod. Ya shiga Yellowstone a Big Timber . Yanayin kogin Boulder da kwarin kogi sun cancanci yin fim na fina-finai biyu: A River Runs Through It da The Horse Whisperer .

Fitarwa

Kogin	Wurin da yake	Rashin fitarwa
Kogin Boulder na Gabas	kusa da McLeod	80 cubic feet per second (2.3 m3/s)
Kogin West Boulder	McLeod	189 cubic feet per second (5.4 m3/s)
Kogin Boulder	Babban Itace	563 cubic feet per second (15.9 m3/s)

Yawon shakatawa

Kogin sanannen wuri ne na kamun kifi. Sauran abubuwan jan hankali a cikin kwarin sun haɗa da sansanin coci da yawa, Ranch na baƙi, da kuma sansanonin USFS da yawa. Har ila yau, Hukumar Kula da dazuzzuka tana kula da tashoshin tsaro da yawa, hanyoyi, da wuraren shakatawa a kwarin.

Sunayen daban-daban

Kogin Boulder kuma an san shi da: Kogin Cross, Kogin ƙetare, da Kogin da ke gaba. Kuma, don bambanta shi da sauran kogin Boulder a Montana, wani lokaci ana kiransa "Kogin Gabas Boulder" (kamar yadda yake gabas da ɗayan) ko "Boulder Fork of the Yellowstone," daidai da cokali mai yatsa na Clark na Yellowstone kamar yadda ya bambanta da Kogin cokali na Clark na yammacin Montana.

Tashar yanayi ta Placer Basin SNOTEL tana kusa da asalin Kogin East Boulder, a tsawo na ƙafa 8830 (2691 m).

Climate data for {{{location}}}
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