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Vân Long Nature Reserve: The “Inland Halong Bay” of Viet Nam
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Located in Gia Viễn District, Ninh Bình Province, Vân Long Nature Reserve is the largest wetland conservation area in northern Viet Nam, covering approximately 3,500 hectares. Often referred to as “Inland Halong Bay”, this tranquil wetland landscape is characterized by vast marshlands, towering limestone mountains, and a diverse ecosystem, making it a perfect destination for nature lovers, photographers, and conservation enthusiasts.
Beyond its stunning natural beauty, Vân Long is a crucial sanctuary for rare and endangered wildlife, including the critically endangered Delacour’s langur (Trachypithecus delacouri), which finds refuge in the area’s limestone karst formations.

Landscape and Ecosystem
1. Majestic Limestone Karsts
Vân Long is renowned for its imposing limestone formations, many of which rise dramatically from the water.
These formations, sculpted over millions of years, create a picturesque and mystical atmosphere similar to that of Halong Bay but with a more serene and untouched ambiance.
2. Expansive Wetlands
The reserve features extensive flooded grasslands, lotus-covered ponds, and tranquil waterways. These wetlands play a crucial role in water regulation, flood prevention, and sustaining biodiversity, making Vân Long an ecological treasure trove.
3. Rich Biodiversity
Vân Long hosts over 720 species of plants and nearly 450 animal species, including birds, reptiles, and aquatic life. The reserve is especially famous for:
- Delacour’s Langur (Trachypithecus delacouri) – A critically endangered primate unique to northern Viet Nam, with Vân Long being home to the largest known population in the wild. These langurs are easily recognized by their distinctive black-and-white fur pattern and are often seen leaping between limestone cliffs.
- Bird Species – The wetlands are a paradise for birdwatchers, featuring rare and migratory species.
- Aquatic Life – The reserve is home to several species of freshwater fish, amphibians, and invertebrates, many of which are crucial for maintaining the ecosystem’s delicate balance.

Top Attractions in Vân Long Nature Reserve
1. Boat Tours Through the Wetlands
One of the best ways to explore Vân Long is by traditional bamboo boat (sampan). The journey takes visitors through narrow water channels, past towering limestone cliffs, and into peaceful wetlands teeming with wildlife.
- Best time for boat tours: Early morning (for misty landscapes and birdwatching) or late afternoon (for sunset views).
- Duration: 1 – 1.5 hours
- Highlights: Bird sightings, langur spotting, and stunning karst reflections on the water.
2. Delacour’s Langur Observation
Vân Long is one of the best places in the world to see Delacour’s langurs in the wild. These agile and social primates prefer the steep cliffs and rocky ledges of the limestone mountains, making early morning or late afternoon the best time for spotting them.
3. Limestone Caves
Several hidden caves and grottoes lie within Vân Long’s karst mountains, many of which hold archaeological and geological significance.
4. Birdwatching in the Wetlands
As an Important Bird Area (IBA) recognized by BirdLife International, Vân Long is a haven for resident and migratory birds. Winter months (November–March) bring an influx of rare waterfowl, making it an excellent time for birdwatchers to visit.
Things to Do in Vân Long Nature Reserve
1. Nature Photography
With its serene landscapes, mirror-like water, and diverse wildlife, Vân Long offers endless photography opportunities, especially during sunrise and sunset, when the entire reserve is bathed in golden light.

2. Kayaking and Canoeing
For those seeking a more immersive experience, kayaking and canoeing allow visitors to navigate through hidden waterways and less-visited areas of the wetlands.

3. Cycling Through Rural Villages
Biking along the peaceful countryside roads around Vân Long provides a chance to experience traditional Vietnamese rural life, with stunning views of rice fields, water buffalo, and karst landscapes.
4. Visit Nearby Attractions
Vân Long is close to other must-visit destinations in Ninh Bình, including:
- Tam Cốc – Bích Động (known as “Halong Bay on land”)
- Trang An Landscape Complex (a UNESCO World Heritage Site)
- Hoa Lư Ancient Capital (the former capital of Vietnam)
How to Get to Vân Long Nature Reserve
From Hanoi
- By Car/Private Transfer: A 90 km drive (about 2 hours) via National Highway 1A.
- By Train: Take a train from Hanoi to Ninh Bình, then hire a motorbike or taxi to Vân Long.
- By Bus: Regular buses from Hanoi to Ninh Bình, then a short transfer to the reserve.
From Ninh Bình City
- Distance: 17 km (30-minute drive)
- Transport options: Motorbike, taxi, or bicycle.
Best Time to Visit
- September to April – Best time for wildlife spotting, birdwatching, and pleasant weather.
- May to August – The wet season, with lush green scenery and blooming lotus flowers, but also higher humidity.
Accommodation Near Vân Long
While there are no hotels inside the reserve, several accommodation options are available in nearby areas:
- Bungalows and homestays near Vân Long (for a nature-immersed experience).
- Hotels in Ninh Bình City (for more comfort and accessibility).
Conservation and Challenges
Despite its protected status, Vân Long faces environmental threats such as:
- Illegal hunting and fishing affecting local wildlife.
- Encroachment and pollution from nearby communities.
- Impact of climate change on wetland ecosystems.
To counter these challenges, local authorities and conservation organizations work on habitat restoration, sustainable tourism initiatives, and wildlife monitoring programs to protect Vân Long’s fragile ecosystem.
Vân Long Nature Reserve is a hidden gem in Vietnam’s ecological landscape, offering visitors a peaceful retreat into nature while playing a critical role in wildlife conservation, particularly for Delacour’s langur. Whether you are drawn to scenic boat rides, rare wildlife, or breathtaking photography spots, Vân Long promises an unforgettable experience for anyone who visits.

