Tinau

The Tinau is a river originating from the Mahabharat Mountains and flowing through the Siwalik Hills and Terai Plain at Butwal, Nepal before joining the Ganges.

Tinau
Native name	तिनाउ (Nepali)
Location
Country	Nepal
Region	Lumbini Province
District	Rupendehi, Palpa
Municipality	Butwal
Physical characteristics
Source	Churia Range
• location	Palpa, Nepal
• elevation	300 m (980 ft)
Mouth
• location	Palpa
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

River morphology

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]

River flow

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

Floods

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]}

Water Use

Hydropower

Tinau Hydropower Plant