Inoumbwa kwemapazi vaviri Altai nzizi - uye Biya Katun rwizi Ob chaizvoizvo kuramba Katun. Panguva confluence pamusoro reservoirs izvi akaumba zvakawanda ichivhiringidza chokubuda zvakakwana simba. Uye rwizi ose - ayo ruvara. Biya ane chena kana tsvina-kuchena ruvara, uye Katun - green. The kwakabatanidzwa kuva chete Hova yemvura yakavhenganiswa kwenguva yakati, zvichiguma mitsetse chitsvuku mvura pfapfaidzo. Zvikurukuru zvakanaka Fani iyi akacherechedza muzhizha uye kwematsutso. Kuwira Kara mugungwa Ob anoumba hombe mhenderekedzo ane kureba vanenge 800 makiromita unonzi Ob muromo.
Pamwechete ayo rechibharo asi Irtysh rwizi Ob pakutanga wakarebesa kuRussia (5410? Km.) Wechipiri - muna Asia. Nzvimbo bheseni kwayo - Street anenge mamiriyoni 3 M.. ? km. Maererano sei chimiro rwizi ino, zvinhu zviri romugove uye makaumba mvura hurumende yomurwizi, Ob inogona rakakamurwa mikuru zvikamu zvitatu: rokumusoro (kubva kunobva pamuromo rworwizi Tom), svikiro (kusvika pamuromo rwizi Irtysh) uye pasi (kuna Gulf Ob). Kuzadza mvura rwizi kunyanya kukonzerwa kubvunda sinou, pamwe unorema nokuyerera kusvika nguva uye chirimo. In okumusoro kunosvika yemafashame rinowanzova mukuvamba April, avhareji - pakati romwedzi, uye nechepasi - mukupera April uye mangwanani May. Kurera mvura pamwero rinotanga Ndinoda-up. Panovhurwa rwizi kungava pfupi-akararama zvikuru mvura pamwero inokwira nokuda chando mumigwagwa yakawandisa motokari. Muchiitiko chino, zvichida kunyange kuchinja kubuda akananga zvimwe ari Ob vabati vechibharo. In okumusoro kunosvika yemafashame agare kusvikira July, zhizha yakaderera nguva mvura kunoratidzwa kusagadzikana, uye muna September-October mvura ndiyo mafashamo. The kudzikira yemafashamo pakati uye ezasi kunosvika irambe kusvikira Ndinoda-up. Obi dzakawanda guru (Irtysh Charysh, Anouilh, Aley, Chumysh, Berd, Chulym, Tom, etc ..) Uye vabati vechibharo diki.
At Nezvekwakabva zita muviri iyi mushanduro dzakawanda mvura. Saka, kubva mutauro Komi rokuti "Ob" rinoreva "chando" kana "snowdrift". Imwe shanduro inoti kuti zita rwizi yaiva Persian "riri" ( "mvura"). Panewo shanduro hwaro mazita vakafunga Russian shoko "zvose" nokuti panobva Ob River chakaumbwa kwemapazi mitumbi miviri mvura. Mumwe dzidziso ane kodzero iripo.
Ob River kunokosha nokuda yose West Siberian nharaunda. Rinoshandiswa senzira dzinongoitika zvokufambisa nzira, kunyanya nokuti chirimo chokuendesa mafuta uye zvokudya kuchamhembe munzvimbo, tichironga chete rwizi. In kumaodzanyemba kune Novosibirsk Reservoir (aizivikanwawo Gungwa Ob) akaumba yakavakwa muna 1950-1961 gg. Novosibirsk HPP dhamu. In Ob mvura anogara vanenge makumi mashanu siyana kwemarudzi uye subspecies hove, vanenge hafu iyo kuda rudzi (kunyanya yakanaka-pajira riya - Pike muramba, seabream, knot, Ide, roach, etc.). Senguva murwizi Sturgeon, Sturgeon, Sarimoni chena, whitefish, uye vamwe. Ob rwizi, kunyanya mu aro okumusoro kunosvika, kare senzira yokuzorora. Kune plesieroorde zhinji uye nzvimbo nzvimbo (kunyanya munzvimbo yacho Novosibirsk mvura dura), rinozivikanwa kwete chete kuRussia asiwo kwose.