The provincial topography is narrow and sloping from the west to the east. The area is divided into specific geological zones: mountainous, hilly and midland, lowland, coastal sandy area. The seaside stretches 116km with large Gianh and Nhat Le ports.
Quang Binh belongs to the monsoon-tropical zone. The climate is divided into two seasons. Rainy season lasts from September to March next year. The annual average rainfall is 2,000 - 2,300mm. Heavy rains concentrate in September, October and November. Dry season lasts from April to August. Annual average degree is 24 - 26oC.
Every year, Quang Binh attracts many visitors coming to interesting landscapes such as Phong Nha, Tien Son caves, primitive forest in Phong Nha - Ke Bang reserve, Nhat Le, Da Nhay beaches, Bang Mineral Hot Spring, etc. Among of them, Phong Nha - Ke Bang National Park has been recognized as the World Natural Heritage Site by UNESCO in 2003.
In addition of these, Quang Binh preserves objects from Bau Tro Remains, Hoa Binh and Dong Son culture as well as historical relics like Quang Binh Gate, Luy Thay, Rao Sen... Many places related two resistance wars name Cu Nam, Canh Duong, Cha Lo, Cong Troi, Xuan Son, Long Dai and Ho Chi Minh Trail.