Map of the Humber River Watershed

Branches

1.Main Branch
- Arises in the western portion of the ORM mainly in Mono Twp. close to Hwy 9 and Airport Road.

2.West branch
- Arises from the Niagara Escarpment and western ORM near the Town of Caledon and only several hundred meters from where the credit River course thriugh Caledon Golf Club

3.East Branch
- Arises from a glacial Kettle pond; Lake St. George and Lake Wilcox near Aurora

Tributary: Black Creek
- Arises in north Etobicoke close to York University in the Jane Finch corridor.