While youre in dominica dont miss morne trois pitons national park one of the islands most popular attractions and a unesco world heritage site encompassing 17 000 acres 6 880 hectares in the southeast corner of the island straight east of roseau the park is mountainous and jungle clad and boasts waterfalls lakes and gorges with a local guide learn about the native vegetation and wildlife and explore its natural features including freshwater lake titou gorge and emerald pool