1. Tram Ton Pass (Deo Tram Ton), located in Northern Vietnam, is known as the "Heaven's Gate" due to its stunning natural beauty and panoramic views of the surrounding mountains and valleys. It is the highest mountain pass in Vietnam, reaching an altitude of 1,900 meters above sea level. The pass is renowned for its misty landscapes, lush forests, and cool climate, making it a popular destination for nature lovers and adventure seekers.

2. The Tram Ton Pass is open to visitors all year round, but it is recommended to visit during the dry season from October to April to enjoy clear views. There is no specific working time for the pass, as it is a natural attraction without entrance fees or specific operating hours. For more information, you can contact the local tourism office or check with local tour operators.

3. Tickets are not required to visit Tram Ton Pass, as it is a public road that connects the towns of Sapa and Lai Chau. Visitors can reach the pass by taking a bus or renting a motorbike from Sapa town, which is approximately 20 kilometers away. The journey to Tram Ton Pass offers scenic views of terraced rice fields, ethnic minority villages, and picturesque landscapes. It is advisable to bring warm clothing and sturdy footwear, as the weather can be unpredictable and the terrain can be challenging.