O Quy Ho Pass

The pass winding between green hills · Dương Nhân · Pexels License

One of the four great passes of the northwest, a spectacular cloud-covered road linking Lai Chau and Sa Pa over the Hoang Lien Son range.

Crossing the Hoang Lien Son range at nearly 2,000m, O Quy Ho Pass is one of the most magnificent of the northwest's 'four great passes', linking Lai Chau and Lao Cai. The nearly 50km road winds along sheer cliffs — a fathomless abyss on one side, old primeval forest on the other. It is also called the 'Cloud Pass' because it is shrouded in cloud all year, forming a mesmerising sea of cloud. From the summit on the Lai Chau side, visitors gaze across the rolling Hoang Lien Son range, chase clouds and watch glorious sunsets. In winter, the summit is sometimes coated white with ice and frost.

Visitor information

When is the best time to visit O Quy Ho Pass?

September to April

How much does it cost to visit O Quy Ho Pass?

Free

How long do you need at O Quy Ho Pass?

Half a day

What are the opening hours of O Quy Ho Pass?

All day

Did you know

It is one of the four great passes of the northwestern mountains.
Its summit reaches nearly 2,000m, and it runs about 50km.
It is also known as the 'Cloud Pass' because it is cloud-covered all year.
It links the two provinces of Lai Chau and Lao Cai across the Hoang Lien Son range.

Travel tips

Stop at Heaven's Gate on the Lai Chau side to chase clouds and admire the view.
Drive carefully, as the pass has many dangerous bends.

Source: https://vi.wikipedia.org/wiki/%C4%90%C3%A8o_%C3%94_Qu%C3%BD_H%E1%BB%93

Updated: 2026-08-06