Located in Dong Van Karst Plateau, Tu San Canyon (also known as Tu San Alley) is considered the deepest canyon in Southeast Asia and one of the most impressive natural wonders of northern Vietnam. This spectacular site lies along the Nho Que River, winding its way through towering limestone mountains in Ma Pi Leng Pass, Meo Vac District.
 |  |  |
🏞 Majestic Natural Beauty
Tu San Canyon amazes visitors with its dramatic cliffs rising up to 700–800 meters, stretching for nearly 1.7 kilometers along the emerald-green Nho Que River. From above, the canyon looks like a giant wall splitting the Dong Van Plateau, creating a truly magnificent and surreal landscape. The best views can be enjoyed from Ma Pi Leng Sky Walk or on a boat trip along the river below.
🚤 Exciting Activities
Visitors can take a boat or kayak trip on the Nho Que River to fully admire the grandeur of Tu San Canyon from below. The calm, jade-colored water contrasts beautifully with the vertical limestone cliffs. Adventurous travelers can also enjoy trekking or motorbiking along Ma Pi Leng Pass – one of Vietnam’s most spectacular mountain roads.
🌤 Best Time to Visit
Tu San Canyon is beautiful all year round, but each season offers its own charm:
- Spring (Feb–Apr): Cool weather, blooming flowers, and misty valleys create a romantic atmosphere.
- Summer (May–Aug): Clear skies and lush greenery, perfect for photography — but note that July and August can bring heavy rains or storms, so it’s best to check the weather forecast before your trip.
- Autumn (Sep–Oct): The best time to visit, when the rice terraces in Ha Giang turn golden.
- Winter (Nov–Jan): Cool and misty, with drifting clouds creating a mysterious beauty.
📍 Travel Tips
- Location: Ma Pi Leng Pass, Meo Vac District, Ha Giang Province
- Canyon height: ~700–800 m
- Length: ~1.7 km
- Best viewpoint: Ma Pi Leng Sky Walk or boat along Nho Que River
- Recommended activities: Boat trip, kayaking, trekking, photography
- Note: Avoid traveling during heavy rain or stormy periods (usually July–August) for your safety.
✨ Tu San Canyon is not only a masterpiece of nature but also a symbol of Ha Giang’s wild and majestic beauty. Whether you admire it from the top of Ma Pi Leng Pass or glide gently along the Nho Que River, this breathtaking canyon will surely leave you in awe.
