Does the country of Mauritius have any mountains?

Yes, Mauritius does have mountains. In fact, the highest point in the country is Piton de la Petite Rivière Noire, standing at 828 meters (2,717 feet) above sea level. Other mountains in Mauritius include Le Pouce (812 meters), Pieter Both (820 meters), Le Morne Brabant (556 meters), and Signal Mountain (383 meters).