The Spaniard expressed his love for the Canadian tournament after lifting the trophy for the third time, describing his latest success as a "dream".
"I played a great final," Nadal told Reuters in a courtside interview.
"I love this tournament so much and I have unforgettable memories here... I'm very happy, this week has been a dream week for me."
The result will see Nadal rise to third in the world rankings when they are issued on Monday.