Bolshaya Chukochya (Chukochya, Revum-Revu)
Bolshaya Chukochya (Chukochya, Revum-Revu) – a river in the Sakha Republic (Yakutia), Russia. It flows through the Kolyma Lowland and into the East Siberian Sea. Its length is 758 km, and the basin area is 19.8 thousand km2. The bed is meandering. It nourishes from snow and rainfall, and the seasonal flood comes in June. It freezes in October; in winter is frozen down to the bottom and flow resumes in May. Large tributaries are Savva-Yuryakh, Oler, and Semen-Yuryakh.