The Dundwa Range (

Hindi Modern Standard Hindi (, ), commonly referred to as Hindi, is the Standard language, standardised variety of the Hindustani language written in the Devanagari script. It is an official language of India, official language of the Government ...

and dundwā shrinkhalā) is a subrange of the

Sivalik Hills The Sivalik Hills, also known as Churia Hills, are a mountain range of the outer Himalayas. The literal translation of "Sivalik" is 'tresses of Shiva'. The hills are known for their numerous fossils, and are also home to the Soanian Middle Pale ...

in western

Nepal Nepal, officially the Federal Democratic Republic of Nepal, is a landlocked country in South Asia. It is mainly situated in the Himalayas, but also includes parts of the Indo-Gangetic Plain. It borders the Tibet Autonomous Region of China Ch ...

and northern

Uttar Pradesh Uttar Pradesh ( ; UP) is a States and union territories of India, state in North India, northern India. With over 241 million inhabitants, it is the List of states and union territories of India by population, most populated state in In ...

, India. It separates the Outer Terai of Balarampur and

Shravasti district Shravasti district is one of the districts of the Uttar Pradesh state of India, with Bhinga town as its district headquarters. Shravasti district is a part of Devipatan Division. According to Government of India, it is among the 121 minority ...

s in

from Deukhuri Valley in Nepal's Dang-Deukhuri and eastern

Banke district Banke District (; , a part of Lumbini Province, is one of the 77 districts of Nepal. The district, located in midwestern Nepal with Nepalganj as its district headquarters, covers an area of and had a population of 385,840 in 2001 and 491,313 in ...

s. The international border follows the southern edge of this range, leaving a zone of forested

Bhabar Bhabar or Bhabhar is a region south of the Lower Himalayas and the Sivalik Hills in Garhwal and Kumaon, India. The Bhabhar region contains some of the largest cities of Kumaon and Garhwal: Dehradun, Haridwar, Haldwani, Rishikesh, Ramnagar ...

inside Uttar Pradesh. The Dundwas diverge from other Sivalik ranges at 27°52'N, 83°14'Ein western Kapilvastu, extending 160 km W and WNW across

Dang Deukhuri District Dang District (, ) is a district of Lumbini Province located in the Inner Terai Rapti Zone of midwestern Nepal. Dang Valley is the first largest valley of Asia and World's second largest valley surrounded by Sivalik Hills and the Mahabharata ...

and into Banke -- within 20 km of Nepalganj -- before descending into the alluvial plains. The Dundwas divert the Rapti some 100 km west before the river resumes its southward course toward the

Ganges The Ganges ( ; in India: Ganga, ; in Bangladesh: Padma, ). "The Ganges Basin, known in India as the Ganga and in Bangladesh as the Padma, is an international which goes through India, Bangladesh, Nepal and China." is a trans-boundary rive ...

. Nepal's main E-W

Mahendra Highway Mahendra Highway or NH01 (previously: H01) (), also called East-West Highway (), runs across the Terai geographical region of Nepal, from Mechinagar in the east to Bhim Datta in the west, cutting across the entire width of the country. It is th ...

climbs 400 metres from the Outer Terai to cross this range at 28°47'N, 82°49'E. Summit elevations diminish from east to west with some exceeding 1,400m near the eastern end of the range. ~930m Shiv Gadi rises 4 km west of Mahendra Highway. 80 km further west there is a ~790m summit, then the crest progressively loses elevation to 190m at the lower end of Deukhuri Valley.

Koilabas Koilabas is a bazaar town situated in Gadhawa Rural Municipality in Dang Deokhuri District in Lumbini Province of south-western Nepal. The town is situated on the southern edge of the Dudhwa Range of the Siwaliks, at Nepal's border with Uttar Pr ...

bazaar, Nepal is located on the international border in this range.

References

{{coord, 29, 00, N, 80, 00, E, display=title, region:IN_type:mountain_source:GNS-enwiki Mountain ranges of the Himalayas Mountain ranges of Nepal Mountain ranges of India Landforms of Uttar Pradesh Himalayan subtropical broadleaf forests Hills of Nepal#