The Dominican Republic occupies two-thirds of the island on the Caribbean Sea and is generally mountainous with various rivers. The island has four parallel mountain ranges with multiple valleys and rivers in between. The largest is the Cordillera Central which splits the country into two parts. On the north coast is the Cordillera Septentrional, the second most important range in the nation and is vital in regulating climate. In the south are The Sierra de Neiba and Sierra de Bahoruco, both have high levels of biodiversity with many rare species. In between them is Lake Enriquillo, the largest lake in the Dominican Republic and the only saltwater lake with crocodiles. Located in the north-central area is the Yaque del Norte, it is the longest river in the Dominican Republic and is used for irrigation of many crops. Also found in the north-central part is the Cibao Valley, an important agricultural place, some crops grown include rice, bananas, plantains, tobacco, coffee, and more. The Dominican Republic also has a small desert called the Dunes of Bani in the south-central region, created from the deposition of nearby rivers. Due to its small size, the climate of the Dominican Republic is generally semitropical, with the average temperature annually being 26℃. May to December is the rainy season, with the northern region getting more rainfall (about 100 inches annually) while the southern and western areas are more dry (about thirty inches of rain annually). The Dominican Republic is prone to many hurricanes and is tropical, the hurricane season lasts from June to November, with August and September being the peak for hurricanes. Some general vegetation of the Dominican Republic is dense forests in mountainous areas, low shrubs in dry, cultivation crops in fertile valleys, and mangrove swamps or sandy white beaches along the coast. In conclusion, the Dominican Republic is a mountainous tropical country with dense vegetation and agriculture.