Ravenscrag is a former mansion that was built between 1860 and 1863 for Hugh Allan (later Sir Hugh Allan) in the Golden Square Mile of Montreal, Quebec. It stands at 1025 Pine Avenue West at the top of McTavish Street, on the slopes of Mount Royal. Upon its completion in 1863, the mansion of 72 rooms excelled in size and cost any dwelling-house in Canada, exceeding Dundurn Castle, built by Sir Allan MacNab in 1835.