3. Pha Đin
Pha Din Pass maintains an important and heroic part in our history. Laid on Highway 6 that crosses northwestern provinces, Pha Din stretches 32 kilometrers and is considered one of the 6 most impressive passes in Vietnam.
From 360th to 392nd km on Highway 6, Pha Din connects both Son La and Dien Bien provinces, which belong to Tả Phìn Tây Plateau System. The peak of the pass is at an elevation of 1,648 km above sea level. (Interestingly, there is a huge TV tower weighed approximately 70 tons, possessing the wind of 200km/h.) The pass is full of serpentine twists and turns, with a deep abyss to one side and sheer cliff on the other.
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