Chin Khoanh Pass – a spectacular winding road on the Dong Van Karst Plateau

Chin Khoanh Pass is one of the most memorable road sections on the journey through the Dong Van Karst Plateau. Located along National Highway 4C, it connects the Pho Cao and Sung La areas.

The pass is known for a series of sharp hairpin bends winding through dramatic limestone mountain scenery.

What makes Chin Khoanh Pass special?

From elevated viewpoints, travellers can see the winding road cutting across mountain slopes, valleys and remote highland villages.

It is both an important section of the Ha Giang Loop and a popular photography stop for travellers heading towards Sung La and Dong Van.

Ride the mountain road

Travelling through Chin Khoanh Pass offers an exciting mountain-road experience with consecutive bends and noticeable changes in elevation.

Motorbike riders should maintain a safe speed and take extra care in rain, fog or slippery road conditions.

Scenic photography

The winding road and surrounding limestone mountains create some of the most characteristic road-trip views in the region.

Early morning and late afternoon generally provide softer light for photography. Always stop in a safe area away from blind corners and moving traffic.

Nearby attractions

• Pho Cao: a highland settlement along the route.
• Tham Ma Pass: another famous winding-road photo stop.
• Sung La: a scenic valley surrounded by limestone mountains.
• Lung Cam Village – Pao's House: a well-known cultural attraction.
• Hmong King's Palace: an important historical site near Dong Van.

Safety tips

• Check your brakes and tyres before travelling.
• Avoid speeding or overtaking on sharp bends.
• Never stop in the middle of the road for photos.
• Avoid riding at night or during heavy fog.
• Take extra care during the rainy season.

Final thoughts

Chin Khoanh Pass is a memorable highlight of the route from Pho Cao through Sung La towards Dong Van. Its dramatic hairpin bends and limestone mountain scenery make it one of the signature road experiences of the Ha Giang Loop.