Tributaries
- Limmat
- Sihl
- Linth (main tributary of Lake Zürich)
- Reuss (see also: Reuss (river)#Tributaries)
- Kleine Emme
- Sarner Aa
- Engelberger Aa
- Schächen
- Furkareuss
- Suhre
- Bünz
- Aabach
- Wigger
- Emme
- Zihlkanal
- Suze
- Broye
- Orbe
- Saane (Sarine)
- Sense
- Kander
- Simme
- Allenbach
- Lütschine
Read more about this topic: Aar