Tinau
Native name
तिनाउ (Nepali)
Location
Country
Nepal
Region
District
Municipality
Physical characteristics
Source
• location
• elevation
300 m (980 ft)
• location
Length
95 km (59 mi)
Discharge
• minimum
2.2 m3/s (78 cu ft/s)
• maximum
2,500 m3/s (88,000 cu ft/s)
Basin features
Tributaries
• left
Chidiya Khola
• right
Dovan Khola
The Tinau is a Class- II category River originating from the Mahabharat Mountains and flowing through the Siwalik Hills and Terai Plain at Butwal, Nepal before joining the Ganges.
The length of the Tinau is 95 km starting from Palpa to Indo-Nepal Border at Marchawar. The catchment area of the river is about 1081 sq. km up to the border.[1]
The minimum flow of the river is about 2.2 m3/s in April while the calculated 100 years return period flow in 2500m3/s.
The maximum recorded flow at DHM station no 390 is as follows:[2]
Year
Maximum Flow (m3/s)
1964
417
1965
2200
1966
1180
1967
1950
1968
2000
1969
600
1984
390
1985
325
1986
644
1987
580
1988
565
1989
457
1990
260
1991
288
1992
134
1981
In 1981, there was a huge flood that destroyed two suspension bridges and the powerhouse shaft of Himal Hydro.[3]
2007
In the flood of 2007 at least 500 households of Butwal municipality were displaced.
2008
In 2008, due to outburst of embankment, about 250 households were displace in Butwal municipality due to the flood.[citation needed]
27°45′N 83°31′E / 27.750°N 83.517°E / 27.750; 83.517
