Ba Be National Park is centred on Ba Be lake. The name Ba Be means three lakes, although the lake is one continuous water body, 8 km long and up to 800 m wide. At an altitude of 178 m, Ba Be is the only significant natural mountain lake in Vietnam. It is up to 29 m deep, and contains numerous small limestone islets.

Bach Ma National Park is situated in the central Annamite mountains. The national park lies on a high mountain ridge that runs west-east from the Laotian border to the East Sea at the Hai Van pass. This ridge interrupts the coastal plain of Vietnam, and, therefore, forms a biogeographical boundary between the faunas and floras of northern and southern Vietnam. This ridge also affects the local climate at the national park, which is probably the wettest place in Vietnam:

Ba Vi National Park is centred on Mount Ba Vi, a mountain isolate situated about 50 km west of Hanoi. The mountain rises steeply out of a plain that rarely exceeds 30 m in elevation. In general, slopes on the western side of Ba Vi mountain, at an average of 25°, are steeper than those on the east. Above 400 m, the slopes on the western side may reach a gradient of 35° and rocky cliffs are present. Mount Ba Vi has three peaks:

Cat Ba National Park is located in Cat Hai district, Hai Phong city. The national park is centred on Cat Ba island, a 28,500 ha island, which lies 20 km due east of Hai Phong city and immediately to the west of Halong bay. The national park also incorporates some of the small islands and marine waters situated to the east of Cat Ba island.

The Nam Cat Tien sector of Cat Tien National Park is located in Dac Lua commune, Tan Phu district, Dong Nai province. The Tay Cat Tien sector is located in Dang Ha commune, Bu Dang district, Binh Phuoc province. The Cat Loc sector is located in Tien Hoang, Gia Vien and Phuoc Cat II communes, Cat Tien district, and Loc Bac commune, Bao Lam district, Lam Dong province.

Chu Yang Sin National Park is located in Lak and Krong Bong districts, Dak Lak province, 60 km to the south-east of Buon Ma Thuot town. The national park encompasses a range of high mountains in the northern part of the Southern Annamite mountains. The national park is centred on Mount Chu Yang Sin, which, at 2,442 m, is the highest point in the southern Annamites. The topography of the national park is characterised by steep slopes and narrow valleys.

Con Dao National Park is centred on an archipelago of 14 islands, the largest of which is Con Son. The topography of Con Son island is mountainous, and dominated by a granite ridge, which runs from south-west to north-east, sheltering the bays on both sides of the island from strong winds. The highest points on the island are the summits of Mount Thanh Gia and Mount Chua, at 577 and 515 m respectively.

Cuc Phuong National Park lies at the south-eastern extent of a limestone range that runs north-west to Son La province. This limestone range predominantly comprises karst, marine in origin and perhaps 200 million years old. The section of the limestone range encompassed by the national park rises sharply out of the surrounding plain, to elevations of up to 636 m.

Kon Ka Kinh National Park is located in Kon Pne, Dakrong and Krong communes, K’Bang district, Ha Dong commune, Dak Doa district, and Ayun commune, Mang Yang district, Gia Lai province. The national park is situated on the Kon Tum plateau in the central Annamite mountains. To the north of the national park

Mui Ca Mau National Park is situated at the southernmost tip of Vietnam. The site was originally covered in natural mangrove forest but the vast majority was destroyed during the Second Indochina War and, later, by conversion to aquacultural ponds and agricultural land. Most of the aquacultural ponds have been abandoned, and now support extensive areas of re-colonising mangrove forest.

Phong Nha-Ke Bang National Park is located in western Bo Trach district, close to the international border with Laos. The national park is situated in one of the largest areas of contiguous limestone karst in Indochina, which also includes Hin Namno National Protected Area in Laos. The limestone massif is located in a transitional zone between the northern and central Annamite mountains.

With an area of 56,200 ha, Phu Quoc is the largest in an archipelago of 14 islands. Phu Quoc island lies in the Gulf of Thailand, about 40 km due west of the Vietnamese mainland. Phu Quoc National Park is situated in the north-east of the island, and the northern and eastern boundaries of the national park follow the coastline.

Tam Dao National Park is located in Son Duong district, Tuyen Quang province, Dai Tu district, Thai Nguyen province, and Lap Thach, Tam Dao and Me Linh districts, Vinh Yen province. The national park lies along a massif, which runs from north-west to south-east, and is isolated from other high-elevation areas by intervening areas of low elevation.

Tram Chim National Park supports one of the last remnants of the Plain of Reeds wetland ecosystem, which previously covered some 700,000 ha of Dong Thap, Long An and Tien Giang provinces. The national park is located 19 km to the east of the Mekong River, at an elevation of about 1 m. The topography of the national park is flat

U Minh Thuong National Park is located in An Minh Bac commune of An Minh district, and Minh Thuan commune of Vinh Thuan district, Kien Giang province, 365 km south-west of Ho Chi Minh City. U Minh Thuong National Park is located in the plain of the Mekong Delta, and the site reaches only a few metres in elevation. U Minh Thuong or upper U Minh, is the northern of two.

Yok Don National Park is located in Ea Bung and Chu M’Lanh communes, Ea Sup district, Krong Na commune, Buon Don district, and Ea Po commune, Cu Jut district, in western Dak Lak province. The national park is situated on the flat plain that extends from eastern Cambodia into northern Dak Lak and southern Gia Lai provinces in Vietnam.