{"id":14683,"date":"2026-07-24T15:11:46","date_gmt":"2026-07-24T09:41:46","guid":{"rendered":"https:\/\/www.class24.study\/current-affairs\/?post_type=academic_content&#038;p=14683"},"modified":"2026-07-24T15:11:46","modified_gmt":"2026-07-24T09:41:46","slug":"purvanchal-hills","status":"publish","type":"academic_content","link":"https:\/\/www.class24.study\/current-affairs\/purvanchal-hills\/","title":{"rendered":"Purvanchal Hills: Location, List of Hills, Biodiversity and Significance"},"content":{"rendered":"<p><span style=\"font-weight: 400\">The Purvanchal Hills are an eastward extension of the Himalayan Mountain Range and a major physiographic division in Northeast India. The Purvanchal Hills extend across the states of Arunachal Pradesh, Nagaland, Manipur, Mizoram, Assam, and Tripura along the India\u2013Myanmar border. Along the India\u2013Myanmar border. It includes well-known hill ranges such as the Patkai Hills, Naga Hills, Manipur Hills, Mizo (Lushai) Hills and Cachar Hills. The region forms part of the Indo-Burma Biodiversity Hotspot and is home to rich forests, numerous endemic species of flora and fauna, and diverse indigenous tribal communities. The Purvanchal Hills help in climate regulation, water conservation, border security, and socioeconomic development of Northeastern India<\/span><\/p>\n<h2><span style=\"font-weight: 400\">List of Purvanchal Hills<\/span><\/h2>\n<p><span style=\"font-weight: 400\">They are a series of hill ranges that form the easternmost extension of the Himalayas, collectively constituting a regional geomorphological zone known as the Purvanchal Hills. The major hill ranges are:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><b>Patkai hills(Patkai Bum):<\/b><span style=\"font-weight: 400\"> It is the northernmost portion of the Purvanchal Hills and currently lies along the India\u2013Myanmar border in Arunachal Pradesh and Nagaland, forming a natural demarcation between India &amp; Myanmar.<\/span><\/li>\n<li style=\"font-weight: 400\"><b>Naga Hills:<\/b><span style=\"font-weight: 400\"> The Naga Hills extend across Nagaland, parts of Manipur, and northwestern Myanmar. Mount Saramati (3,841 m), the highest peak in Nagaland, is located in this range.<\/span><\/li>\n<li style=\"font-weight: 400\"><b>Manipur Hills: <\/b><span style=\"font-weight: 400\">Lying largely within the state of Manipur, these hills form a ring around most of the central Imphal Valley, joining the Naga Hills in the north with the Mizo Hills in the south.<\/span><\/li>\n<li style=\"font-weight: 400\"><b>Mizo Hills (Lushai Hills):<\/b><span style=\"font-weight: 400\"> Situated in mainly Mizoram here are recognised for their rough slopes, thick woodlands and rich biodiversity. Phawngpui (Blue Mountain) is the highest peak in Mizoram. Mizoram features Phawngpui (or Blue Mountain) as the highest summit in the state.<\/span><\/li>\n<li style=\"font-weight: 400\"><b>Cachar Hills (North Cachar Hills):<\/b><span style=\"font-weight: 400\"> Located in Assam&#8217;s Dima Hasao district, these hills Located in Assam&#8217;s Dima Hasao district, the Cachar (North Cachar) Hills form a transitional region between the Barail Range and the Mizo Hills. They are cloaked in tropical evergreen and semi-evergreen forest.<\/span><\/li>\n<li style=\"font-weight: 400\"><b>Barail Range:<\/b><span style=\"font-weight: 400\"> Runs through Assam, Nagaland and Manipur and acts as a critical water divide between the Brahmaputra and Barak river systems. Geographically, it is sometimes classified as belonging to the The Barail Range is often considered part of the Purvanchal Hill system because of its geographical continuity.<\/span><\/li>\n<\/ul>\n<h2><span style=\"font-weight: 400\">Purvanchal Hills Location<\/span><\/h2>\n<ul>\n<li style=\"list-style-type: none\">\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The Purvanchal Hills are the northeastern extension and part of the Himalayan Mountain Range in India.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">These are located along the India\u2013Myanmar international border.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">South of the Brahmaputra Valley, where the river takes a sharp southward bend at Namcha Barwa, begins the hill system.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li><b>The Purvanchal Hills are spread in the following states of India:<\/b><\/li>\n<\/ul>\n<ul>\n<li><b>Arunachal Pradesh<\/b><\/li>\n<\/ul>\n<ul>\n<li><b>Nagaland<\/b><\/li>\n<\/ul>\n<ul>\n<li><b>Manipur<\/b><\/li>\n<\/ul>\n<ul>\n<li><b>Mizoram<\/b><\/li>\n<\/ul>\n<ul>\n<li><b>Assam (Dima Hasao\/Cachar region)<\/b><\/li>\n<\/ul>\n<ul>\n<li><b>Tripura (southern extensions)<\/b><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The hills extend into western Myanmar, where they gradually become the Arakan Yoma mountain range.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">They lie east of the Meghalaya Plateau and south of the Brahmaputra Valley.; east of the Meghalaya Plateau and south of the Brahmaputra Valley.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Patkai Hills, Naga Hills, Manipur Hills, Mizo (Lushai) Hills, Cachar Hills and Barail Range are part of the Purvanchal Hill system.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Geographically, it spans an area approximately 23\u00b0N\u201328\u00b0N latitude and 92\u00b0E\u201397\u00b0E longitude.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The Purvanchal Hills are an important segment of the Indo\u2013Myanmar mountain system and form a natural bridge between South Asia and Southeast Asia.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It sits within the Indo-Burma Biodiversity Hotspot, which ranks among the richest biodiversity hotspots in the world.<\/span><\/li>\n<\/ul>\n<h2><span style=\"font-weight: 400\">Purvanchal Hills Biodiversity<\/span><\/h2>\n<ul>\n<li style=\"list-style-type: none\">\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Purvanchal Hills form part of the Indo-Burma Biodiversity Hotspot, which is one among 36 biodiversity hotspots in the world.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The region houses tropical evergreen, semi-evergreen, and subtropical broadleaf forests, as well as bamboo forests.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It is rich in endemic, rare and endangered plant and animal species.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The hills are home to over 7,000 species of flowering plants \u2014 including many medicinal and aromatic plants.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Main tree species: oak, pine, bamboo, cane, rhododendron, orchids, teak and sal.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The Purvanchal Hills, with an astonishing variety of orchid species, make Northeast India one of the richest orchid areas worldwide.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The region is home to some of the rarest mammals in the world:<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Hoolock Gibbon (India&#8217;s only ape)<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li><b>Clouded Leopard<\/b><\/li>\n<\/ul>\n<ul>\n<li><b>Asian Elephant<\/b><\/li>\n<\/ul>\n<ul>\n<li><b>Bengal Tiger<\/b><\/li>\n<\/ul>\n<ul>\n<li><b>Red Panda (in higher elevations)<\/b><\/li>\n<\/ul>\n<ul>\n<li><b>Gaur (Indian Bison)<\/b><\/li>\n<\/ul>\n<ul>\n<li><b>Serow<\/b><\/li>\n<\/ul>\n<ul>\n<li><b>It is also high in diversity of birds including:<\/b><\/li>\n<\/ul>\n<ul>\n<li><b>Great Hornbill<\/b><\/li>\n<\/ul>\n<ul>\n<li><b>Blyth&#8217;s Tragopan<\/b><\/li>\n<\/ul>\n<ul>\n<li><b>Mrs Hume&#8217;s Pheasant<\/b><\/li>\n<\/ul>\n<ul>\n<li><b>Hornbills<\/b><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The important reptiles present are King cobra, Indian python, various gecko and turtle species.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Protected areas such as Namdapha National Park, Fakim Wildlife Sanctuary, Dampa Tiger Reserve, Intanki National Park, Keibul Lamjao National Park and Murlen National Park are also found in the Purvanchal Hills.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The forests are important for carbon sequestration, climate regulation, soil conservation and watershed protection.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The high biodiversity of the Purvanchal Hills is an important means of livelihood for many indigenous tribal communities using medicinal plants and sustainably extracted forest products.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Threats to the region range from deforestation, shifting cultivation (Jhum), illegal logging, habitat fragmentation, infrastructure development and climate change, all of which necessitate conservation efforts.<\/span><\/li>\n<\/ul>\n<h2>Also Read<\/h2>\n<table style=\"width: 100%;border-collapse: collapse;text-align: center\">\n<tbody>\n<tr>\n<td style=\"padding: 12px;border: 1px solid #000\"><a style=\"color: #393fd7\" href=\"https:\/\/www.class24.study\/current-affairs\/yamuna-river-system-upsc-notes\/\" target=\"_blank\" rel=\"noopener\">Yamuna River System<\/a><\/td>\n<td style=\"padding: 12px;border: 1px solid #000\"><a style=\"color: #393fd7\" href=\"https:\/\/www.class24.study\/current-affairs\/son-river-origin-upsc-notes\/\" target=\"_blank\" rel=\"noopener\">Son River<\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px;border: 1px solid #000\"><a style=\"color: #393fd7\" href=\"https:\/\/www.class24.study\/current-affairs\/jhelum-river\/\" target=\"_blank\" rel=\"noopener\">Jhelum River System<\/a><\/td>\n<td style=\"padding: 12px;border: 1px solid #000\"><a style=\"color: #393fd7\" href=\"https:\/\/www.class24.study\/current-affairs\/indus-river\/\" target=\"_blank\" rel=\"noopener\">Indus River System<\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px;border: 1px solid #000\"><a style=\"color: #393fd7\" href=\"https:\/\/www.class24.study\/current-affairs\/godavari-river-system-upsc-notes\/\" target=\"_blank\" rel=\"noopener\">Godavari River System<\/a><\/td>\n<td style=\"padding: 12px;border: 1px solid #000\"><a style=\"color: #393fd7\" href=\"https:\/\/www.class24.study\/current-affairs\/indian-river-systems-upsc-notes\/\" target=\"_blank\" rel=\"noopener\">Indian River Systems<\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px;border: 1px solid #000\"><a style=\"color: #393fd7\" href=\"https:\/\/www.class24.study\/current-affairs\/kaveri-river\/\" target=\"_blank\" rel=\"noopener\">Kaveri River<\/a><\/td>\n<td style=\"padding: 12px;border: 1px solid #000\"><a style=\"color: #393fd7\" href=\"https:\/\/www.class24.study\/current-affairs\/narmada-river\/\" target=\"_blank\" rel=\"noopener\">Narmada River Explained<\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px;border: 1px solid #000\"><a style=\"color: #393fd7\" href=\"https:\/\/www.class24.study\/current-affairs\/krishna-river\/\" target=\"_blank\" rel=\"noopener\">Krishna River System<\/a><\/td>\n<td style=\"padding: 12px;border: 1px solid #000\"><a style=\"color: #393fd7\" href=\"https:\/\/www.class24.study\/current-affairs\/sutlej-river\/\" target=\"_blank\" rel=\"noopener\">Sutlej River System<\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px;border: 1px solid #000\"><a style=\"color: #393fd7\" href=\"https:\/\/www.class24.study\/current-affairs\/major-dams\/\" target=\"_blank\" rel=\"noopener\">Major Dams in India<\/a><\/td>\n<td style=\"padding: 12px;border: 1px solid #000\"><a style=\"color: #393fd7\" href=\"https:\/\/www.class24.study\/current-affairs\/lakes-in-india\/\" target=\"_blank\" rel=\"noopener\">Lakes in India<\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px;border: 1px solid #000\"><a style=\"color: #393fd7\" href=\"https:\/\/www.class24.study\/current-affairs\/longest-bridges\/\" target=\"_blank\" rel=\"noopener\">Top 10 Longest Bridges in India<\/a><\/td>\n<td style=\"padding: 12px;border: 1px solid #000\"><a style=\"color: #393fd7\" href=\"https:\/\/www.class24.study\/current-affairs\/national-waterways\/\" target=\"_blank\" rel=\"noopener\">National Waterways in India<\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px;border: 1px solid #000\"><a style=\"color: #393fd7\" href=\"https:\/\/www.class24.study\/current-affairs\/soils-of-india\/\" target=\"_blank\" rel=\"noopener\">Soils of India<\/a><\/td>\n<td style=\"padding: 12px;border: 1px solid #000\"><a style=\"color: #393fd7\" href=\"https:\/\/www.class24.study\/current-affairs\/chota-nagpur-plateau\/\" target=\"_blank\" rel=\"noopener\">Chota Nagpur Plateau<\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px;border: 1px solid #000\"><a style=\"color: #393fd7\" href=\"https:\/\/www.class24.study\/current-affairs\/malwa-plateau\/\" target=\"_blank\" rel=\"noopener\">Malwa Plateau<\/a><\/td>\n<td style=\"padding: 12px;border: 1px solid #000\"><a style=\"color: #393fd7\" href=\"https:\/\/www.class24.study\/current-affairs\/deccan-plateau\/\" target=\"_blank\" rel=\"noopener\">Deccan Plateau<\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px;border: 1px solid #000\"><a style=\"color: #393fd7\" href=\"https:\/\/www.class24.study\/current-affairs\/peninsular-plateau\/\" target=\"_blank\" rel=\"noopener\">Peninsular Plateau of India<\/a><\/td>\n<td style=\"padding: 12px;border: 1px solid #000\"><a style=\"color: #393fd7\" href=\"https:\/\/www.class24.study\/current-affairs\/mountain-ranges\/\" target=\"_blank\" rel=\"noopener\">Mountain Ranges in India<\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px;border: 1px solid #000\"><a style=\"color: #393fd7\" href=\"https:\/\/www.class24.study\/current-affairs\/siwalik-hills\/\" target=\"_blank\" rel=\"noopener\">Siwalik Hills<\/a><\/td>\n<td style=\"padding: 12px;border: 1px solid #000\"><a style=\"color: #393fd7\" href=\"https:\/\/www.class24.study\/current-affairs\/karakoram-range\/\" target=\"_blank\" rel=\"noopener\">Karakoram Range<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span style=\"font-weight: 400\">Purvanchal Hills Significance<\/span><\/h2>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The Purvanchal Hills are the eastern extension of the great Himalayas connecting India with Myanmar and also Southeast Asia.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">They form a natural barrier along the India\u2013Myanmar border, and thus are geopolitically significant to national security.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Hills of this range fall under the Indo-Burma Biodiversity Hotspot (Indo-Malaya), one of the 36 richest biodiversity regions in the world.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">They are home to many endemic, rare and endangered species of plants and animals.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">This area acts as a crucial watershed, where various tributaries of the Brahmaputra and Barak river systems originate.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Dense forests of Purvanchal Hills regulate climate, sequester carbon, and help regulate the climate, sequester carbon, conserve soil, and protect watersheds. They preserve soil and conserve rainwater.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The hills receive heavy rainfall due to the southwest monsoon. brings high rainfall under the influence of the southwest monsoon and has an impact on Northeast India&#8217;s climate.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">They play host to numerous tribes of indigenous groups that maintain vibrant cultural traditions, languages and sustainable lifestyles.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The region is rich in forest resources, bamboo, medicinal plants, and horticultural crops, which support the local economy.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">We have a good opportunity for ecotourism, adventure tourism and conservation of biodiversity in Purvanchal Hills.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Being close to Myanmar makes India complete its Act East Policy with better cross-border connectivity, trade and regional cooperation.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The Purvanchal Hills are strategically important for strengthening border infrastructure and ensuring peace and security along the India\u2013Myanmar border.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Hence, conservation of the Purvanchal Hills is needed for ecological balance, water security and sustainable development in the region.<\/span><\/li>\n<\/ul>\n<h2><span style=\"font-weight: 400\">Purvanchal Hills FAQs<\/span><\/h2>\n<div class=\"cfaq-wrapper\" data-multiple=\"0\"><div class=\"cfaq-item cfaq-open\"><button class=\"cfaq-question\" aria-expanded=\"true\"><span class=\"cfaq-question-text\">1. What are the Purvanchal Hills?<\/span><span class=\"cfaq-icon\"><\/span><\/button><div class=\"cfaq-answer\"><div class=\"cfaq-answer-inner\"><div><span style=\"font-size: 12.35px\">&nbsp;The Purvanchal Hills are the eastern extension of the Himalayan Mountain Range located in Northeast India along the India\u2013Myanmar border.<\/span><\/div><\/div><\/div><\/div><div class=\"cfaq-item\"><button class=\"cfaq-question\" aria-expanded=\"false\"><span class=\"cfaq-question-text\">2. Where are the Purvanchal Hills located?<\/span><span class=\"cfaq-icon\"><\/span><\/button><div class=\"cfaq-answer\" hidden><div class=\"cfaq-answer-inner\"><div><span style=\"font-size: 12.35px\">The Purvanchal Hills extend across Arunachal Pradesh, Nagaland, Manipur, Mizoram, Assam (Dima Hasao), and Tripura, and continue into Myanmar.<\/span><\/div><\/div><\/div><\/div><div class=\"cfaq-item\"><button class=\"cfaq-question\" aria-expanded=\"false\"><span class=\"cfaq-question-text\">3. Which are the major hill ranges of the Purvanchal Hills?<\/span><span class=\"cfaq-icon\"><\/span><\/button><div class=\"cfaq-answer\" hidden><div class=\"cfaq-answer-inner\"><div><span style=\"font-size: 12.35px\">The major hill ranges include the Patkai Hills, Naga Hills, Manipur Hills, Mizo (Lushai) Hills, Cachar Hills, and Barail Range.<\/span><\/div><\/div><\/div><\/div><div class=\"cfaq-item\"><button class=\"cfaq-question\" aria-expanded=\"false\"><span class=\"cfaq-question-text\">4. Why are the Purvanchal Hills important?<\/span><span class=\"cfaq-icon\"><\/span><\/button><div class=\"cfaq-answer\" hidden><div class=\"cfaq-answer-inner\"><div><span style=\"font-size: 12.35px\">The Purvanchal Hills are important for their strategic location, rich biodiversity, climate regulation, water resources, tribal culture, and ecological significance.<\/span><\/div><\/div><\/div><\/div><div class=\"cfaq-item\"><button class=\"cfaq-question\" aria-expanded=\"false\"><span class=\"cfaq-question-text\">5. Which biodiversity hotspot includes the Purvanchal Hills?<\/span><span class=\"cfaq-icon\"><\/span><\/button><div class=\"cfaq-answer\" hidden><div class=\"cfaq-answer-inner\"><div><span style=\"font-size: 12.35px\">The Purvanchal Hills are part of the Indo-Burma Biodiversity Hotspot, one of the world's 36 recognized biodiversity hotspots.<\/span><\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>The Purvanchal Hills are an eastward extension of the Himalayan Mountain Range and a major physiographic division in Northeast India. The Purvanchal Hills extend across the states of Arunachal Pradesh, Nagaland, Manipur, Mizoram, Assam, and Tripura along the India\u2013Myanmar border. Along the India\u2013Myanmar border. It includes well-known hill ranges such as the Patkai Hills, Naga [&hellip;]<\/p>\n","protected":false},"featured_media":14684,"template":"","subject":[45],"class_list":["post-14683","academic_content","type-academic_content","status-publish","has-post-thumbnail","hentry","subject-geography"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.class24.study\/current-affairs\/wp-json\/wp\/v2\/academic_content\/14683","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.class24.study\/current-affairs\/wp-json\/wp\/v2\/academic_content"}],"about":[{"href":"https:\/\/www.class24.study\/current-affairs\/wp-json\/wp\/v2\/types\/academic_content"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.class24.study\/current-affairs\/wp-json\/wp\/v2\/media\/14684"}],"wp:attachment":[{"href":"https:\/\/www.class24.study\/current-affairs\/wp-json\/wp\/v2\/media?parent=14683"}],"wp:term":[{"taxonomy":"subject","embeddable":true,"href":"https:\/\/www.class24.study\/current-affairs\/wp-json\/wp\/v2\/subject?post=14683"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}