- Selenge River
- Orkhon River
- Kherlen River
- Onon River
- Khalhyn Gol River
Lakes:
- Lake Khövsgöl
- Lake Uvs
- Lake Khar-Us Nuur
- Lake Terkhiin Tsagaan Nuur
- Lake Buir
Other bodies of water:
- Khuvsgul Lake National Park
- Uvs Nuur Basin
