Chastach
Chastach (Russian Хастах ) is the name of the following rivers in the Sakha Republic (Yakutia) in Russia:
- Chastach (Adytscha) , tributary of the Adytscha
- Chastach (Buolkalach) , tributary of the Buolkalach
- Chastach (Indigirka) , headwaters of the Indigirka
- Chastach (Molodo) , tributary of the Molodo
- Chastach (Moma) , tributary of the Moma
- Chastach (Sjurjuktjach) , tributary of the Sjurjuktjach
