Sepon

Sepon Xépôn, Se Pone
The Sepon near Lao Bảo, Vietnam
Data
location	Laos ( Salavan and Savannakhet provinces ), Central Vietnam ( Bắc Trung Bộ region , Quảng Trị province )
River system	Mekong
Drain over	Xebanghiang  → Mekong  → South China Sea
origin	Confluence of two source rivers in the northeast of the Lao province of Salavan 16 ° 13 ′ 43 ″  N , 106 ° 55 ′ 41 ″  E
muzzle	near Xépôn ( Savannakhet Province , Laos) in the Xebanghiang coordinates: 16 ° 41 ′ 26 "  N , 106 ° 13 ′ 4"  E 16 ° 41 ′ 26 "  N , 106 ° 13 ′ 4"  E

The Sepon ( Vietnamese : Sông Xê Pôn , Lao : Xépôn ) is a small river in Laos and Vietnam . It forms the border between the two states near the Vietnamese town of Lao Bảo in the province of Quảng Trị . It rises near the border in the Lao province of Salavan and flows into the Xebanghiang , a tributary of the Mekong , near the city of Xépôn in the province of Savannakhet .

The sepon has an approximate depth of 1 meter, its width is up to 100 meters.