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| Mahabharat Range | |
|---|---|
| Name | Mahabharat Range |
| Other name | Lesser Himalaya |
| Country | Nepal |
| Highest | Dhaulagiri I |
| Elevation m | 8167 |
| Length km | 1200 |
| Geology | Folded sedimentary and metamorphic rocks |
Mahabharat Range The Mahabharat Range is a major mountain chain in Nepal forming the southern foothills of the Himalayas and separating the Terai from the High Himalaya. It extends parallel to the Great Himalaya and the Siwalik Hills, influencing river systems such as the Koshi River, Gandaki River, and Karnali River. The range has played a role in the histories of Khas people, Newar, and Magar people communities and in routes used by travelers between Kathmandu Valley and Patan.
The name derives from Sanskrit traditions linked to the epic Mahabharata and regional toponyms used by the Shah dynasty and Rana dynasty. Colonial cartographers from the British Raj documented the range using terms later standardized in surveys by the Survey of India and by Nepalese cartographers such as those in the Department of Survey (Nepal). Alternative historical names appeared in chronicles associated with the Malla dynasty and travelogues by Alexander Gardner (soldier) and Fanny Parkes.
The Mahabharat Range stretches west–east across Nepal from near the Koshi River in the east to the Mahakali River in the west, bounded to the north by the High Himalaya and to the south by the Terai and Siwalik Hills. Major towns and districts along the range include Kathmandu District, Makwanpur District, Lamjung District, Gorkha District, and Banke District. Prominent passes and localities connecting valleys include routes used historically via Damauli, Pokhara, Bhairahawa, and Janakpur; trans-Himalayan corridors link to Tibet and the Indian state of Uttarakhand.
Geologically the Mahabharat Range consists of folded sedimentary rock sequences, including sandstone, shale, and limestone, with metamorphic belts and intrusive veins recorded in geological mapping by the Geological Survey of India and studies by the Nepal Geological Society. Its tectonic history is tied to the collision between the Indian Plate and the Eurasian Plate during the Cenozoic, producing thrust faults and nappes analogous to structures studied in the Karakoram and Tibetan Plateau. Major structural features include fault zones correlated with seismicity documented after earthquakes such as the 1934 Nepal–Bihar earthquake and the 2015 Gorkha earthquake.
The range supports montane ecosystems ranging from subtropical broadleaf forests to temperate rhododendron and oak stands, with faunal assemblages that include Bengal tiger corridors, One-horned rhinoceros range extensions, and habitats for Himalayan black bear, red panda, and Himalayan tahr. Climatic gradients reflect monsoon influence from the Bay of Bengal and rain-shadow effects toward the Tibet highlands, with precipitation patterns comparable to observations reported by the International Centre for Integrated Mountain Development and climatological studies referencing El Niño–Southern Oscillation. Seasonal snowline dynamics influence watersheds feeding the Ganges River basin and link to glacier-fed systems studied by researchers from Tribhuvan University.
The Mahabharat Range is home to ethnolinguistic groups including the Newar, Brahmin–Chhetri, Tharu, Magar people, and Tamang people, with cultural landscapes featuring terraced agriculture, hillforts, and pilgrimage sites such as shrines tied to Pashupatinath Temple traditions and local festivals like Dashain and Tihar. Historic trade routes connected to markets in Kathmandu Valley, Lumbini, and Janakpur facilitated exchanges in textiles, salt, and grain among kingdoms including the Gorkha Kingdom and polities recorded in Gorkha District chronicles. Demographic shifts due to migration, remittances linked to labor migration to Gulf Cooperation Council states and Malaysia, and infrastructure projects by agencies such as the Asian Development Bank have reshaped settlements along ridge towns like Damauli and Hetauda.
Economic activities encompass subsistence terrace farming of crops such as rice and maize, cash-crop cultivation including cardamom and tea linked to markets in Kathmandu and India, and extraction of construction materials including local stone and sand used in projects by contractors registered with the Ministry of Physical Infrastructure and Transport (Nepal). Hydropower potential on tributaries feeding the Gandaki River and small-scale irrigation schemes have attracted investment from companies and financiers connected to Nepal Electricity Authority and foreign partners. Biodiversity resources support community-based ecotourism initiatives promoted by organizations like WWF and local cooperatives, while artisanal mining and logging have legal frameworks under statutes enacted by the Government of Nepal.
Portions of the range fall within or adjacent to protected areas and conservation landscapes such as Chitwan National Park buffer zones, community forest user groups registered under Nepalese forestry law, and biodiversity corridors identified by the IUCN and ICIMOD. Initiatives to conserve watersheds and mitigate landslides have involved multilateral programs funded by the World Bank and bilateral agencies like JICA and DFID. Cultural heritage management links to agencies overseeing sites in Kathmandu Valley World Heritage Site and provincial conservation offices in Bagmati Province.
Category:Mountain ranges of Nepal