National Route 91 ( vi, Quốc lộ 91, links=no) is highway in the
Mekong Delta
The Mekong Delta ( vi, Đồng bằng Sông Cửu Long, lit=Nine Dragon River Delta or simply vi, Đồng Bằng Sông Mê Kông, lit=Mekong River Delta, label=none), also known as the Western Region ( vi, Miền Tây, links=no) or South-weste ...
region of
Vietnam, stretching from
Cần Thơ, the largest city in the delta, northwest toward the border town of
Châu Đốc, near
Cambodia. The highway continues into Cambodia as National Route 2 and eventually leads to the Cambodian capital of
Phnom Penh
Phnom Penh (; km, ភ្នំពេញ, ) is the capital and most populous city of Cambodia. It has been the national capital since the French protectorate of Cambodia and has grown to become the nation's primate city and its economic, indus ...
.
The highway starts at
Cần Thơ city, the capital of
Cần Thơ Province, diverging from
National Route 1, and heads northwest, parallel to the
Hau River
The Bassac River ( km, ទន្លេបាសាក់; Tonlé Bassac) is a distributary of the Tonlé Sap and Mekong River. The river starts in Phnom Penh, Cambodia, and flows southerly, crossing the border into Vietnam near Châu Đốc. The n ...
, the main branch of the
Mekong River in the delta region. The highway passes through the towns of
Ô Môn,
Thốt Nốt District before reaching the regional centre of
Long Xuyên
Long Xuyên () is the capital city of An Giang province, in the Mekong Delta region of south-western Vietnam.
History
In 1789, a group of explorers established a small outpost in the Tam Khe canal, naming it Dong Xuyen. Sooner after a marketpl ...
, the capital of neighbouring
An Giang Province
An Giang () is a province of Vietnam. It is located in the Mekong Delta, in the southwestern part of the country.
Geography
An Giang occupies a position in the upper reaches of the Mekong Delta. The Hậu Giang and Tiền Giang branches of ...
, the westernmost province of Vietnam bordering Cambodia. Approximately 40 km further northwest along the highway is
Châu Đốc, the site of an airport, before the road turns southwest and straddles the Cambodian border for approximately 20 km before turning northwest again and crossing the Cambodian border.
The 18 km segment from Ô Môn District to Cai Cui Port is designated as National Route 91B and the section from Chau Doc to the Cambodian border in Long Binh (former Provincial Road 956) is designated as National Route 91C.
91
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