| Frederick House River | |
|---|---|
 Frederick House River near Night Hawk Lake | |
  Location of the mouth of the Frederick House River in Ontario | |
| Etymology | Named for Prince Frederick, Duke of York and Albany, son of George III of the United Kingdom |
| Location | |
| Country | Canada |
| Province | Ontario |
| Region | Northeastern Ontario |
| District | Cochrane |
| Municipalities | Unorganized Cochrane North Part, Timmins |
| Physical characteristics | |
| Source | Night Hawk Lake |
| • location | Timmins |
| • coordinates | 48°35′00″N 80°57′00″W / 48.58333°N 80.95000°W |
| • elevation | 274 m (899 ft) |
| Mouth | Abitibi River |
• coordinates | 49°18′41″N 81°16′53″W / 49.31139°N 81.28139°W |
• elevation | 216 m (709 ft) |
| Length | 100 km (62 mi) |
| Basin features | |
| River system | James Bay drainage basin |
| Tributaries | |
| • left | Buskegau River |
| • right | Wicklow River |
The Frederick House River is a river in the James Bay and Moose River drainage basins in Cochrane District in northeastern Ontario, Canada. It flows 100 kilometres (62 mi) from Night Hawk Lake in the city of Timmins to its mouth at the Abitibi River in Cochrane, Unorganized, North Part. Both the river and the associated Hudson's Bay Company Frederick House post (1785–1821) are named for Prince Frederick, Duke of York and Albany, son of George III of the United Kingdom,[1][2]
- ^ "Frederick House". Ontario's Historical Plaques. Archived from the original on 2012-03-25. Retrieved 2010-08-16.
- ^ "Frederick House". Online Plaque Guide. Ontario Heritage Trust. 2006-04-05. Archived from the original on 2011-06-15. Retrieved 2010-08-16.