1. Cuc Phuong National Park

Cuc Phuong National Park is situated in NinhBinh Province, Vietnam. This park is known as the first national Park and the largest nature reserve in the country. The park consists of a range of verdant karst mountains and lush valleys, as well as a number of limestone caves, many of which are ideal destination for exploration. Cuc Phuong is also home to lots of fauna and flora, and some of them are listed on the Red Book of Vietnam of endanger ones
View Cuc Phuong tour via link: http://goasiatravel.com/hanoi-cuc-phuong-national-park-tam-coc-cave
2. Tam Dao National Park

Located in Tam Dao District, VinhPhuc Province, the national Park is a large mountainous area in the North of Vietnam. Tam Dao is home to an amazing diversity of fauna and flora. Come to this nature reserve, tourists also have chance to experience the fascinating weather here with almost 4 seasons in a day. Moreover, visiting the tranquil hill resort built by French colonists is also a wonderful idea for tourists coming to Tam Dao.
3. Pu Luong National Park

Bordered by Quan Hoa and Ba Thuoc districts of Thanh Hoa Province, Pu Luong is endowed with an amazing diversity, which is closely associated with the Cuc Phuong National Park. Pu Luong is now one of the best destinationsfor wildlife exploration in Vietnam thanks to its variety of fauna and flora, and its grandeur of the nature.
View Pu Luong tour via link: http://goasiatravel.com/hanoi-mai-chau-pu-luong-national-reserve-tour
4. Cat Ba National Park.

60km to the east of Hai Phong city, Cat Ba stretches over territories of six communes including Gia Luan, Phu Long, Hien Hao, Xuan Dam, Tran Chau, Viet Hai and Cat Ba town. Cat Ba National Park was established in 1986, with a total area of 15,200ha, including 9,800ha of land and forest, 5,400ha of marine sea. With a complex of islands and Limestone Mountains with 366 small and large islands of 100-150m average height over sea level, the highest point is Cao Vong peak of 322m, the lowest ones is Trung Trang valley of 9m.
5. Ba Be National Park

Ba Be National Park having major area of Ba Be lake with unique natural beauty has become the 1938th Ramsar site (significant wetland of international level) of the world and is the 3rd one in Vietnam just behind Xuan Thuy and Bau Sau
Located in Bac Kan province, about 300km from Hanoi, Ba Be Lake is the highlight of the Northwestern mountain of Vietnam.
Ba Be Lake is connected with Nang River which is now in danger of being divided for construction of hydro-power dam. Ba Be Lake acts as a natural reservoir supplying water to Nang River system while Dau Dang Fall acts as a dam for this system.
Ba Be Lake has is an extremely diversifying ecosystem, which is the habitat for many plant and animal species. One survey reveals that this unique ecosystem consists of over 1288 kinds of vascular plants (higher plant). Particularly, here offers a development environment for some rare plant species of the world such as Nghien (scientific name: Burretiodendron hsienmu) which used to grow only in some particular areas in Vietnam and China.
Ba Be Lake is really a great destination for those who love adventure and want to explore the beauty of nature.
6. Bach Ma National Park

Bach Ma National Park covering 220 kilometers square is a protected area in Thua Thien – Hue Province, is a tourist attraction for wildlife discovery in Hue. Situated on the Annamite Mountains (also called Truong Son Mountains), Bach Ma is one of the wettest lands in Vietnam. The park is composed mainly granite mountains and the evergreen and montane forests. Bach Ma is also known for its rich of biodiversity with a variety of habitats, ranging from the coast, forests to the high mountain. Thus, visiting Bach Ma National Park will be a fantastic travel for those who are into nature.
7. Phong Nha – Ke Bang National Park

Located in Bo Trach and Minh Hoa districts of QuangBinh Province, PHongNha is a national park which is recognized as a UNESCO World Heritage Site. The park is one of the world’s largest karst zones and consists of many amazing limestone caves and grottoes with many areas still unexplored. The national park is also home to a rich diversity of fauna and flora. Specially, visit PhongNha – Ke bang, tourists have chance to discover the Son Doong Cave, which was considered the largest cave in the world.
8. Yok Don National Park

Yok Don National park is located on the Central Highland of Vietnam. The Srepok River traverses the park together with two small mountains characterize the landscape there. Discovering Yok Don, tourists have chance to get into the fresh atmosphere of Vietnamese Central Highland, as well as pay an interesting visit to Don Mountain Village, a famous destination in the region.
9. Phu Quoc National Park

Phu Quoc National Park is located in the northeast of Phu Quoc Island. It belongs to the territory of the communes: BaiThom, Cua Duong and Ham Ninh of Phu Quoc island district, Kien Giang province.
This is one of the Southern National Park retains intact with primeval forest. There was also the focus of much natural beauty of forests, waters, streams, waterfalls and mountains.
10. Can Gio Biosphere Reserve

Can Gio Biosphere Reserve is located in Can Gio district (previously Duyen Hai district), in the coastal zone of Ho Chi Minh City. The area is situated in a recently formed estuary complex of tidal flats, where the Vam Co, Saigon and Dong Nai rivers discharge into the sea. The topography of Can Gio is low-lying and dynamic. The site is divided by a network of canals and rivers.
View Can Gio tour via link: http://goasiatravel.com/can-gio-mangrove-forest-1-day-tour-private-tour