The Dundwa Range (

Hindi Hindi (Devanāgarī: or , ), or more precisely Modern Standard Hindi (Devanagari: ), is an Indo-Aryan language spoken chiefly in the Hindi Belt region encompassing parts of northern, central, eastern, and western India. Hindi has been de ...

and dundwā shrinkhalā) is a subrange of the

Sivalik Hills The Sivalik Hills, also known as the Shivalik Hills and Churia Hills, are a mountain range of the outer Himalayas that stretches over about from the Indus River eastwards close to the Brahmaputra River, spanning the northern parts of the Indi ...

in western

Nepal Nepal (; ne, नेपाल ), formerly the Federal Democratic Republic of Nepal ( ne, सङ्घीय लोकतान्त्रिक गणतन्त्र नेपाल ), is a landlocked country in South Asia. It is mai ...

and northern

Uttar Pradesh Uttar Pradesh (; , 'Northern Province') is a state in northern India. With over 200 million inhabitants, it is the most populated state in India as well as the most populous country subdivision in the world. It was established in 1950 ...

, 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 co ...

s in

from

Deukhuri Valley The Inner Terai Valleys of Nepal comprise several elongated river valleys in the southern lowland Terai part of the country. These tropical valleys are enclosed by the Himalayan foothills, viz the Mahabharat Range and the Sivalik Hills farther sout ...

in Nepal's Dang-Deukhuri and eastern

Banke district Banke District ( ne, बाँके जिल्ला , 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 populat ...

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

Bhabar Bhabar or Bhabhar ( Kumaoni: bhābar) is a region south of the Lower Himalayas and the Sivalik Hills in Kumaon, India, containing some of the largest cities of Kumaon, Haldwani and Ramnagar, both in Nainital District. It is the alluvial apron o ...

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 ( ne, दाङ जिल्ला, ) is the district of Lumbini Province located in the Inner Terai of midwestern Nepal. Deukhuri valley of the district is the capital of the province and is the second largest valley of Asia sur ...

and into Banke -- within 20 km of

Nepalganj Nepalgunj (), also spelled Nepalganj, is a Sub-Metropolitan City in Banke District, Nepal. It lies on the Terai plains near the southern border with Bahraich district in Uttar Pradesh, India. Nepalgunj is 153 kilometers south-west of Ghorahi ...

-- 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 river to which India, Bangladesh, Nepal and China are the riparian states." is ...

. Nepal's main E-W

Mahendra Highway Mahendra Highway (), 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 the longest highway in Nepal a ...

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 Pra ...

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#