Cù Mông Pass (Đèo Cù Mông) is a mountain pass between Bình Định and Phú Yên provinces in Vietnam. It is on the 1A National Highway. In the 1470s, the pass marked the southern limit of the

Lê dynasty The Lê dynasty, also known in historiography as the Later Lê dynasty (, chữ Hán: 朝後黎, chữ Nôm: 茹後黎), officially Đại Việt (; Chữ Hán: 大越), was the longest-ruling List of Vietnamese dynasties, Vietnamese dynasty, h ...

extension of Vietnamese rule.Views of seventeenth-century Vietnam:

Christoforo Borri Christoforo Borri (1583 in Milan – 24 May 1632 in Rome), also called Christopher Borrus in older English sources, was a Jesuit missionary in Vietnam, a mathematician, and an astronomer. In Vietnam Borri's family was one of good standing in Mi ...

Page 20 Olga Dror, Keith Weller Taylor, Cristoforo Borri - 2006 "In the 1470s, the Le had extended Vietnamese rule into the south as far as Cu Mong Pass, on the southern border of what is now Binh Dinh province"

References

{{DEFAULTSORT:Cu Mong Pass Mountain passes of Vietnam Landforms of Phú Yên province Landforms of Bình Định province