Lang Son
Lang Son is a STATE in Vietnam, Asia.
Nestled in Vietnam's rugged northeastern frontier, Lang Son Province offers a captivating blend of dramatic karst landscapes, rich ethnic culture, and historical significance. The province is a gateway to China via the Huu Nghi Quan (Friendship Gate) border crossing, infusing its towns with a unique Sino-Vietnamese atmosphere. Travelers are drawn to the mystical Tam Thanh and Nhi Thanh caves in Lang Son City, ancient limestone grottoes adorned with centuries-old inscriptions and serene underground lakes. The region's true charm lies in its highland districts like Mau Son Mountain, a former French hill station offering cool retreats, breathtaking vistas, and opportunities to trek through terraced rice fields and traditional villages of the Tay, Nung, and Dao ethnic minorities. Lang Son's culinary scene is legendary, highlighted by its signature roasted suckling pig, 'bánh cuốn trứng' (steamed rice rolls with egg), and 'khau nhuc' (braised pork with black fungus). From exploring the ruins of the Mac Dynasty's Citadel to shopping for vibrant textiles at the Ky Lua Market, Lang Son presents an authentic, less-trodden path into Vietnam's cultural and natural heritage.
Best time to visit Lang Son
The best time is from September to November and March to May. Autumn (Sep-Nov) offers cool, dry weather with clear skies, ideal for trekking and sightseeing. Spring (Mar-May) brings pleasant temperatures and blooming flowers. The winter (Dec-Feb) can be quite cold and foggy, especially in the mountains, but offers a unique atmosphere. The rainy season (Jun-Aug) sees heavy downpours that can cause landslides and disrupt travel.
October
Now Best timeTypical for October
- Weather
- Mild 18-28°C
Travel notes
- Crowds
- Medium
- Prices
- Medium
Best time to visit
Know before you go
Getting there
Noi Bai International Airport (Hanoi)
International
150 km away
Cat Bi International Airport (Haiphong)
International
180 km away
Getting around
Stay connected
WiFi speed
20 Mbps
Mobile data
Good
WiFi
Available in hotels and cafes in Lang Son city
Local SIM
Local SIM cards available at shops from $3
Calling code
+84
Stay safe
Overall
8/10Petty theft is the main concern; border areas require extra caution.
Night safety
7/10Petty theft is the main concern; border areas require extra caution.
Transport
8/10Scam risk
6/10Entry and health
Health information
Culture
Local customs
Costs and practicals
Currency
Cost level
Meals
Hotels
Local transport
Cost notes
Timezone
More facts
Population
800,000
Area
8,310.2 km²
Government
Provincial People's Committee (a subordinate unit of the central government of Vietnam)
ISO code
20
Type
Province
Frequently Asked Questions
Also known as: Ланшонь, 省諒山, Ланг Шон, Prowincja Lạng Sơn, Ланґшон, 谅山省, Tỉnh Lạng Sơn, محافظة لانغ سون, Ланг Сон, لانگ سون صوبہ, Lạng Sơn, Province de Lạng Sơn, Lạng Sơn Province, 랑선성, 諒山省, Lang Son, Лангшон, Provincia di Lang Son, Provinsi Lạng Sơn, Lang Son Province, استان لانگ سون, Proviñs Lang Son, ランソン, LS, ランソン省, VN-09, Mkoa wa Lạng Sơn, Vo Xu, Võ Xu, Xo Xu, Xõ Xu



