Brethour is a township in the Canadian province of Ontario, located within the Timiskaming District.

The township's title was derived from the name of a prominent business man from Brantford, Ontario: H.W.

Located in the District of Temiskaming, Brethour sits on the Ontario/Quebec provincial border.

Other mentionable early-settler family names include Schmidt, Cooke, Armstrong, Doonan, Broderick, and Goddard; many of which have living descendants still residing within the community.

[4] Mother tongue (2006):[5] Media related to Brethour, Ontario at Wikimedia Commons