SURKhOB, daryoest dar Resspublikai Soveti Sotsialistii Qirgiziston va Resspublikai Soveti Sotsialistii Tojikiston Boloobash dar hududi Resspublikai Soveti Sotsisalistii Qirgiziston. Qizilsu nom dorad. Tulash 384 km; masoq, havzaash 22 690 km2. Surkhob az nishebii shimoli qatorkuhi Pasi Oloy ibtido yofta, avval dar vodii vasei Oloy va pas dar vodii tangi bayni qatorkuhhoi Oloyu Zarafshon va Pyotri Yakum jori meshavad. Pas az hamroh shudani daryoi Khingob nomi Vakhshro megirad. Shokhobhoi kalonash: Kuksu, Yarkhich, Sorbog, Sangikar, Qizilagin va Mugsu. Manbai obi daryo piryakhu barfast. Sarfi miyonai ob 258,7 m3/son. Davrai obkhezi may — sentyabr. Daryo shirmohi, zagoramohi, mormohi dorad.
N. Khudoiev, 3. Musoev.