Mauritius, an Indian Ocean island nation, is known for its beaches, lagoons and reefs. The mountainous interior includes Black River Gorges National Park, with rainforests, waterfalls, hiking trails and wildlife like the flying fox. Capital Port Louis has sites such as the Champs de Mars horse track, Eureka plantation house and 18th-century Sir Seewoosagur Ramgoolam Botanical Gardens. Mauritian Creole is a French-based Creole and estimated to be spoken by around 90% of the population. French is the language that tends to be used in education and media, while English is the official language in Parliament, however members can still speak French.