Chao Phraya River

Chao Phraya
The Chao Phraya in Bangkok
Map of the Chao Phraya River drainage basin
Native name	แม่น้ำเจ้าพระยา (Thai)
Location
Country	Thailand
City	Bangkok
Physical characteristics
Source	Ping River
• location	Doi Thuai, Chiang Mai
• coordinates	19°48′45″N 98°50′20″E / 19.81250°N 98.83889°E / 19.81250; 98.83889[1]
• elevation	1,700 m (5,600 ft)
2nd source	Nan River
• location	Bo Kluea District, Nan Province
• coordinates	19°20′0″N 101°12′0″E / 19.33333°N 101.20000°E / 19.33333; 101.20000
• elevation	1,240 m (4,070 ft)
Source confluence
• location	Pak Nam Pho, Nakhon Sawan
• coordinates	15°42′04″N 100°08′31″E / 15.701°N 100.142°E / 15.701; 100.142
• elevation	25 m (82 ft)
Mouth	Gulf of Thailand
• location	Thai Ban, Samut Prakan
• coordinates	13°31′12″N 100°36′11″E / 13.520°N 100.603°E / 13.520; 100.603
• elevation	0 m (0 ft)
Length	372 km (231 mi)
Basin size	160,400 km2 (61,900 sq mi)
Discharge
• location	Nakhon Sawan
• average	718 m3/s (25,400 cu ft/s)
• maximum	5,960 m3/s (210,000 cu ft/s)
Basin features
Tributaries
• left	Pa Sak River
• right	Sakae Krang River

The Chao Phraya (/ˌtʃaʊ prəˈjɑː/^[2] or /tʃaʊˈpraɪə/;^[3] Thai: แม่น้ำเจ้าพระยา, RTGS: Maenam Chao Phraya, pronounced [mɛ̂ːnáːm tɕâːw pʰráʔ.jāː] ^ⓘ or [tɕâːw pʰrā.jāː])^[4] is the major river in Thailand,^[5] with its low alluvial plain forming the centre of the country. It flows through Bangkok and then into the Gulf of Thailand.