Sellyakh

Sellyakh
  • Сыалах
  • Сиэллээх
Course of the Sellyakh ONC map section
Mouth location in Yakutia, Russia
Location
CountryRussia
Physical characteristics
Source 
 • coordinates70°48′01″N 140°41′48″E / 70.80028°N 140.69667°E / 70.80028; 140.69667
 • elevation7 metres (23 ft)
MouthLaptev Sea
 • location
Sellyakh Bay
 • coordinates
71°28′53″N 140°01′42″E / 71.48139°N 140.02833°E / 71.48139; 140.02833
 • elevation
0 metres (0 ft)
Length352 km (219 mi)
Basin size8,700 km2 (3,400 sq mi)

The Sellyakh (Russian: Сыалах or Сельлях; Yakut: Сиэллээх, Sielleex) is a river in the Sakha Republic (Yakutia), Russia. It is 352 kilometres (219 mi) long —including the Ilin-Sellyakh (Russian: Илин-Сыалаах) at its head— and its drainage basin covers 8,700 square kilometres (3,400 mi2).

The river flows north of the Arctic Circle, across territories of the Ust-Yansky District with areas of permafrost. The lower course of the river belongs to the Yana Delta Ramsar wetland site. There are no settlements along its course. The nearest town is Tumat.