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Ba River
Ba River flows through the city of Tuy Hòa, Phú Yên province
Ba River Basin (Interactive map)
Native name	Sông Ba (Vietnamese)
Location
Country	Vietnam
Province	Kon Tum Gia Lai Đắk Lắk Phú Yên
Physical characteristics
Source	Ngọc Rô mountain range
• location	Kon Tum
• elevation	1549
Mouth	Đà Diễn Gate
• location	Tuy Hòa City
• coordinates	13°05′15″N 109°19′41″E / 13.08750°N 109.32806°E / 13.08750; 109.32806
• elevation	0 m
Length	388 km (241 mi)
Basin size	13,900 km (5,400 sq mi)
Discharge
• average	302 m/s (10,700 cu ft/s)
• minimum	45 m/s (1,600 cu ft/s)
• maximum	935 m/s (33,000 cu ft/s)
Basin features
River system	Đà Rằng River in Đức Bình Tây commune, Sông Hinh River, Phú Yên province
Tributaries
• right	Ayun River Krông Năng River Hinh River

Ba River (Vietnamese: Sông Ba, also known as Ea Pa, Ia Pa, Krông Pa or Đà Rằng River) is a river in the South Central Coast region of Vietnam. It has its source in Kon Tum Province and flows into the South China Sea in Tuy Hòa, Phú Yên Province. It has the largest river valley area in central Vietnam and one of the largest river systems in central Vietnam with a total basin area of 13,900 km² or 4.19% of Vietnam's total area. It has a total length of 374 km.

Geography

Ba River's basin area makes up southern Phú Yên province, parts of Đắk Lắk province, around half of Gia Lai province and parts of Kon Tum province and therefore, much of the eastern part of the Central Highlands. Tributaries include Hinh River and Ayun River, among many others.

The river's water volume varies significantly throughout the year, with only 47 and 45 m3/s in March and April and 366, 682, and 935 m3/s in September, October, and November.

History

Remains from different periods have been found along Ba River. They include a Sanskrit inscription from the fifth century at its mouth and various Champa sites, including the citadel Thanh Ho around 15 km inland. The river certainly provided an important route far into the interior for the Cham people, who were involved in trade with both their highland hinterlands and seagoing merchants.

References

1. ^ Atlat Dia li Viet Nam (Geographical Atlas of Vietnam). NXB Giao Duc, Hanoi: 2010
2. ^ Vickery 2009, 48

Bibliography

• Vickery, Michael (2009): "A Short History of Champa". in Hardy, Andrew et al.: Champa and the Archaeology of My Son. NUS Press, Singapore

• Rivers of Phú Yên province
• Rivers of Vietnam