Nestled within Hoanh Bo district, Quang Ninh province, the Dong Son – Ky Thuong Nature Reserve stands as one of Vietnam’s most biologically diverse special-use forests. Representing a pristine closed-forest ecosystem, it boasts the largest concentration of primary natural forest in the Northeast region, harboring countless rare and endangered flora and fauna species. It is an extraordinary sanctuary for discerning travelers with a passion for wilderness exploration and natural conquests.

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General Overview of the Reserve

Established under Decision No. 1672/QĐ-UB dated May 22, 2002, by the People’s Committee of Quang Ninh Province, the Dong Son – Ky Thuong Nature Reserve spans a current natural area of 15,637.7 hectares. It encompasses five communes—Dong Son, Ky Thuong, Dong Lam, Vu Oai, and Hoa Binh—stretching along the high mountain ridge bordering Ba Che district and Cam Pha city. The core mission of the reserve is to safeguard ecological integrity, serve educational and scientific research initiatives, promote sustainable ecotourism, supply valuable forestry and medicinal resources, and preserve precious gene pools and standard ecosystem benchmarks of both national and international significance. The reserve is under the direct administration of the People’s Committee of Quang Ninh Province.

Dong Son Ky Thuong Nature Reserve

Dong Son Ky Thuong Nature Reserve

The climate of the Dong Son – Ky Thuong Nature Reserve is exceptionally temperate, featuring an annual average temperature of 23°C, annual precipitation ranging from 2,000 to 2,400 mm, and an average annual humidity of 80%. Positioned as a transitional zone between tropical monsoon and humid subtropical climates, the reserve experiences two distinct seasons: the dry season from November to April and the rainy season from May to October.

The natural landscape of the Dong Son – Ky Thuong Nature Reserve is a harmonious masterpiece blending the emerald hues of ancient primary forests with the crystal-clear waters of cascading streams and majestic waterfalls. Crystal streams weave through colossal boulders, filling the tranquil mountain air with gentle, echoing murmurs. Cloud-shrouded peaks such as Thien Son, Am Vap, Dong Tra, Khe Ru, and Ngon Mo present captivating challenges for adventurers seeking to conquer the wilderness. From the summit of Thien Son—the reserve’s highest peak at 1,096 meters above sea level—travelers are rewarded with panoramic, breathtaking vistas of the entire sanctuary.

Additionally, the reserve features numerous other alluring ecotourism highlights, including: Silver Waterfall (Thac Bac) – a magnificent cascade approximately 30 meters high and 10 meters wide, creating a shimmering veil of water as it plunges; Dong Waterfall (Thac Dong) – a 20-meter-high, 5-meter-wide cascade feeding a pristine azure stream; Fairy Cave (Hang Tien) – a 200-meter-long, 10-15 meter-wide cavern adorned with fascinating limestone formations; and Tiger Cave (Hang Cop) – a 100-meter-long, 5-10 meter-wide cave bearing historical traces of wild tigers and other wildlife. Visitors can explore these stunning attractions on foot or by motorbike along winding forest trails.

To reach the Dong Son – Ky Thuong Nature Reserve, travelers can take two main routes: departing from Hanoi via National Highway 18A through Uong Bi city, then turning onto National Highway 279 toward Ba Che; or starting from Ha Long via National Highway 18A through Cam Pha city, then connecting to National Highway 279 toward Ba Che. From National Highway 279, visitors can access the reserve via the communes of Dong Son, Ky Thuong, and Dong Lam.

Biodiversity of the Reserve

The Dong Son – Ky Thuong Nature Reserve boasts a remarkably rich and distinctive biodiversity, home to numerous rare and endemic species of flora and fauna, many of which are listed in the Vietnam Red Data Book and the IUCN Red List. Scientific surveys indicate that the reserve harbors 56 mammal species, with 16 listed in the IUCN Red List; 135 bird species, including 12 on the IUCN Red List; 31 reptile species, with 8 on the IUCN Red List; and 22 distinct amphibian species. Notably, among its rich fauna are two exceptionally rare endemic species: the crocodile lizard (Shinisaurus crocodilurus) and the Vietnam warty newt (Paramesotriton deloustali).

Regarding woody plants, the reserve hosts 546 species across 332 genera and 97 distinct families. Herbaceous plants are equally diverse, comprising 617 species distributed across 380 genera and 119 families. Furthermore, Dong Son – Ky Thuong is home to 64 rare plant species spanning 52 genera and 38 families, with 43 species recorded in the Vietnam Red Data Book and 31 species featured in the IUCN Red List. The reserve is also a treasury of medicinal flora, featuring 428 naturally growing medicinal plant species belonging to 330 genera and 125 different families.

Ecotourism Value of the Reserve

Alongside its profound biological value in rare flora and fauna, visitors to the Dong Son – Ky Thuong Nature Reserve are enchanted by its pristine landscapes, where emerald primary forests merge with a breathtaking network of dramatic gorges, streams, and waterfalls. Rising to an elevation nearly matching that of the Dong Pagoda on the Yen Tu mountain range, Thien Son peak stands majestically at 1,096 meters above sea level as the reserve’s highest summit. It is accompanied by other perpetually cloud-kissed peaks such as Am Váp (1,051m), Dong Tra (889m), Khe Ru (826m), and Ngon Mo (852.5m)—all irresistible magnets for adventurous spirits eager to conquer natural frontiers.

Furthermore, the reserve houses captivating ecotourism landmarks such as: Silver Waterfall, plunging 30 meters into a glittering silver cascade; Dong Waterfall, a 20-meter-high retreat feeding a crystal-clear stream; Fairy Cave, stretching 200 meters with mesmerizing limestone sculptures; and Tiger Cave, a 100-meter cavern steeped in the lore of prehistoric wildlife.

Accessing the reserve is seamless via two primary routes: from Hanoi along National Highway 18A through Uong Bi to National Highway 279 toward Ba Che, or from Ha Long via National Highway 18A through Cam Pha to National Highway 279. From Highway 279, travelers effortlessly transition into the communes of Dong Son, Ky Thuong, and Dong Lam to enter the heart of the reserve.

Immersive Experiences at the Reserve

The Dong Son – Ky Thuong Nature Reserve is an idyllic destination for travelers seeking to immerse themselves in the untouched splendor of the natural world. Here, guests can partake in a myriad of engaging and exciting activities, including:

  • Mountain Climbing and Peak Conquest: Designed for adventurous souls eager to test their endurance. From iconic summits like Thien Son, Am Vap, Dong Tra, Khe Ru, and Ngon Mo, travelers are treated to sweeping panoramic views of the reserve and the legendary Halong Bay—a UNESCO World Heritage natural wonder. At the same time, guests can breathe in the crisp, invigorating mountain air and absorb the magnificent grandeur of the landscape.
  • Exploring Majestic Waterfalls: A rejuvenating experience for those who delight in the soothing soundtrack of rushing water and refreshing stream dips. Iconic cascades such as Silver Waterfall, Dong Waterfall, and Bao Waterfall serve as stunning ecotourism retreats. Visitors can capture striking photographs, admire the scenery, or swim in the cool, pristine mountain waters.
  • Discovering Enigmatic Caves: Tailored for travelers fascinated by unique limestone formations and the habitats of local wildlife. Caverns such as Fairy Cave and Tiger Cave hold immense scientific and cultural value. Guests can explore these subterranean wonders on foot or via scenic motorbike trails winding through the forest canopy.
  • Experiencing Ethnic Minority Culture: A culturally enriching activity for guests wishing to understand the heritage and history of the indigenous communities inhabiting the reserve. Visitors can wander through the charming villages of the Dao, Tay, and Nung ethnic groups to interact, learn about their traditional way of life, savor authentic local culinary specialties, and partake in vibrant traditional festivals.