Udayapur District

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A view of Mahabharat hills and paddy fields at Udayapur District from Jaljale
A view of Mahabharat hills and paddy fields at Udayapur District from Jaljale
Udayapur district location.png
Country Nepal
Region Eastern Development Region (Purba Anchal)
Zone Sagarmatha
Headquarters gaighat
 • Total 2,063 km2 (797 sq mi)
Population (2011[1])
 • Total 317,532 (३१७५३२)
Time zone NPT (UTC+5:45)

Udayapur District (Nepali: उदयपुर जिल्लाAbout this sound Listen , a part of Province No. 1, is one of the seventy-five districts of Nepal, a landlocked country of South Asia. The district, with Triyuga as its district headquarters, covers an area of 2,063 km² and in 2001 had a population of 287,689, in 2011 of 317,532.

Udayapur district is surrounded by Mahabharat hills from north and Shiwalik from south, whereas both hills meet together by west which forms the region a valley Udayapur Valley. Udayapur is counted as an Inner Terai. Koshi River flows by east of the valley. Triyuga and Barua are the main rivers of the area.

According to the former administrative divisions of Nepal, Udayapur falls in Eastern Development Region in Sagarmatha Zone.

Map of Udayapur showing new and old Local level structure


Before unification of modern Nepal by Shah kings. Udayapur District was under Sen dynasty. The Kingdom named Chaudandi and capital of the Kingdom was Udayapurgadhi. The last king of the Chaudandi was Karna Sen who fled to Bijayapur when Gorkha army envaded and captured the Sen Kingdom Chaidandi.

Geography and Climate[edit]

Climate Zone[2] Elevation Range  % of Area
Lower Tropical below 300 meters (1,000 ft) 33.7%
Upper Tropical 300 to 1,000 meters
1,000 to 3,300 ft.
Subtropical 1,000 to 2,000 meters
3,300 to 6,600 ft.
Temperate 2,000 to 3,000 meters
6,400 to 9,800 ft.

Forest cover takes up 67% of the total land area of the district. 28% of the land is cultivated. Small and large river and ponds remain the main source of water in the district. Ponds like Rauta Pokhari, Suke Pokhari, Tapli Pokhari, Jogidaha Chure Forest Pond and Jhilke Pokhari are key water resources in the district. The district does not possess larger lakes. Triyuga is the largest river in this district. Other two major rivers are Tawa Khola from Western side and Vaidyanath River from mid-side unite with Tawa River. Other rivers in the district are Kakaru Khola, Yari Khola, Rakula, Baruwa Khola, Andheri, Bahadura Khola and Rasuwa Khola. Sunkosi, Saptakosie, Kamala rivers lie on the district border.

This inner Terai district (low mid-hills) covers elevations between 360 metres to 2310 metres above sea level. Different topography, geology and altitude have established three distinct physiographic zones in the district as mentioned below.

Mahabharat hills[edit]

Mahabharat hill range in this district stretches from Sunkoshi River on northern side and links to inner terai and in some stretches, to Churiya hills. About 60% of the district is covered by middle hills with steep slope and rugged mountain topography. From nearly 1100 m to 2310 m, this land consists of high hills like Lekhani, Majhkharka, Rautapokhari.

Churiya hills[edit]

The Churiya hills stretch across elevations between 550 m to 1100 m. reaching from the upper Mahabharata to Terai land in the south leaving some plain inner Tarai land in between. It occupies about 9% of land of the district and consists of small valleys of inner Terai including Nepaltar, Murkuchi and Mainatar as well as plains like Bahuntar, Bhuttar, and Hardeni. These valleys are situated on Panchawati, Rauta, Bayaldanda and Tawashri VDC respectively.

Inner Terai region[edit]

This region occupies around 31% of the district at elevations between 360m to 550 m above sea level. This region is mainly situated on the border of Triyuga and Tawa River. Where inner Tarai exists the Churiya range lies to the south of this region. This region is highly affected by the problem of river cutting or floods. Major places of district like Gaighat, Katari and Beltar lie in this region.


According to the census of 2011 the total population of Udaypur district is 317,532. Major ethnicities in the district are Chhetri (21.01%), Rai (17.09%), Magar (14.4%), Tharu (8.3%), Brahmin (7.31%) and others (32%). The literacy rate is 53.31 percent (CBS, 2001).


Udayapur is divided into four Municipalities (city) and four Rural Municipalities (Gaunpalika).


  1. Triyuga Municipality
  2. Chaudandigadhi Municipality
  3. Belka Municipality and
  4. Katari Municipality

Rural Municipalities;

  1. Udayapurgadhi
  2. Rautamai
  3. Sunkoshi Gaunpalika and
  4. Tapli

Former Administrative Divisions[edit]

Village Development Committees (VDCs) and Municipalities of Udayapur:

Map of the VDCs and Municipalities (blue) in Udayapur District

See also[edit]


  1. ^ General Bureau of Statistics, Kathmandu, Nepal, Nov. 2012
  2. ^ The Map of Potential Vegetation of Nepal - a forestry/agroecological/biodiversity classification system (PDF), . Forest & Landscape Development and Environment Series 2-2005 and CFC-TIS Document Series No.110., 2005, ISBN 87-7903-210-9, retrieved Nov 22, 2013  horizontal tab character in |series= at position 91 (help)

External links[edit]

Coordinates: 26°55′N 86°40′E / 26.917°N 86.667°E / 26.917; 86.667