Imifula namachibi kungumthombo omkhulu wokuphakelwa kwamanzi nokunisela emhlabeni. Cishe u-3% wamanzi ebusweni bomhlaba muhle ukuwaphuza, kanti amanye awusawoti.
Kulo mhlaba, ngasendleleni, imifula emide kakhulu ehlukaniswe ngokobude bayo nendawo eyimbozayo. Ngakho-ke, uma umuntu ehlela a amaholide erussiaNgemuva kwalokho kufanele ujabulele ubuhle bemvelo nezilwane zasendle zale mifula.
Amur
Umfula i-Amur noma iHeilong ungomunye wemifula ende kunazo zonke eRussia. Bakha umngcele phakathi kweNyakatho-mpumalanga yeChina neMpumalanga Ekude yeRussia. Inezinhlobo zezinhlanzi ezinkulu kakhulu ezinamamitha angu-5,6 ubude. Ubude balo mfula bungamakhilomitha angama-2.824 (1.755 miles) futhi uphakama emagqumeni aseManchuria. Amabhuloho amaningi nemihubhe yakhiwe ngasemfuleni ukuze inakekelwe.
Yenisei
IYenisei umfula omkhulu kunayo yonke ogeleza unqamula i-Arctic Ocean. Ubude bomfula bungamakhilomitha angama-5.539 (amamayela angu-3.442) futhi ukujula kwawo okuphezulu kungamamitha angama-80 (24 m) futhi ukujula kwawo okuphakathi ngamamitha ayi-45. Ukujula kokugeleza komfula kungamamitha ayi-14 (106 m), kanti ukuphuma kwawo kungamamitha ayi-32 (101 m). Ingxenye enkulu yeSiberia emaphakathi iyakhanywa.
Ob
Umfula i-Ob Ob owaziwa njengomfula omude kunayo yonke eRussia kanye nomfula wesihlanu ngobukhulu emhlabeni eNdebeni yoMhlaba. Inomfudlana omkhulu kunayo yonke emhlabeni. Ubude bomfula bungamakhilomitha angama-2.962 (1.841 miles) futhi wakheka amamayela ayi-16 eningizimu-ntshonalanga yeBiysk. Lo mfula usetshenziselwa ikakhulu ukukhiqiza ugesi namanzi, ukuchelela kanye nokudoba. Indawo yomfula ibuye isetshenziselwe ukuhambisa ngemikhumbi kusukela ezikhathini zasendulo.