The Hai Van Pass (Đèo Hải Vân — Ocean Cloud Pass) divides Vietnam's climate zones at 496m: south is sunny Da Nang, north is misty Hue. Made globally famous by Top Gear in 2008, this 20km mountain crossing with sweeping hairpins above the East Sea is the most celebrated road in Southeast Asia. The route continues via Lang Co's extraordinary lagoon isthmus to Hue — Vietnam's last imperial capital.
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