Located in Manicouagan Regional County Municipality, Quebec, Canada, Daniel-Johnson dam is a buttress dam. It was built in 1970 (52 years since completion).

Daniel-Johnson Dam impounds the 3^rd largest reservoir volume in the world. The buttress dam stands at a height of 214 meters and impounds up to 142 billion m³ of water. Daniel-Johnson dam has a structural volume of 2.20 million m³ and an installed capacity of 1,596MW.

 Compare Daniel-Johnson Dam with Clywedog Reservoir Dam from United Kingdom.