1. Hai Van Pass, also known as Deo Hai Van in Vietnamese, is located on the border between Thua Thien Hue Province and Da Nang City in Vietnam. It is a mountainous route that stretches for about 21 kilometers along the Truong Son Range, offering breathtaking views of the surrounding landscapes. The pass is famous for its winding roads, steep cliffs, and lush green forests, making it a popular destination for tourists and motorbike enthusiasts.

One interesting fact about Hai Van Pass is that it was once considered an important strategic location during the Vietnam War. It served as a natural barrier between North Vietnam and South Vietnam, with the pass itself being fortified with bunkers and artillery positions. Today, you can still see remnants of these military structures as you drive along the pass.

The pass also offers stunning panoramic views of the coastlines of Da Nang and Thua Thien Hue. On a clear day, you can see the vast expanse of the East Sea and the picturesque beaches down below. This makes Hai Van Pass a favorite spot for photographers and nature lovers.

2. The Hai Van Pass is open 24 hours a day, 7 days a week. There is no entrance fee or specific ticket required to visit the pass itself.

3. To reach Hai Van Pass, you can take a taxi or rent a motorbike in Da Nang or Hue. The pass is accessible via the National Route 1A, which is the main highway connecting the two cities. It is recommended to take the pass from Da Nang to Hue, as this direction offers the best views.

If you are not comfortable driving a motorbike, there are also organized tours and private car services available that can take you to and from Hai Van Pass. These can be booked through travel agencies or online platforms.

Overall, Hai Van Pass is a must-visit destination in Da Nang for its natural beauty and historical significance. Whether you are a nature lover, history enthusiast, or simply looking for an adventurous road trip, this iconic pass will not disappoint.