{"id":86684,"date":"2026-02-07T18:08:26","date_gmt":"2026-02-07T12:38:26","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=86684"},"modified":"2026-02-07T18:08:40","modified_gmt":"2026-02-07T12:38:40","slug":"dafla-hills","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/dafla-hills\/","title":{"rendered":"Dafla Hills, Geography, Topography, Climate &#038; Biodiversity"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">T<\/span><b>he Dafla Hills are a low hill range located in Assam and Arunachal Pradesh<\/b><span style=\"font-weight: 400;\">, forming part of the Eastern Himalayan foothills. They lie between the <\/span><b>Brahmaputra Valley and the Assam-Arunachal border<\/b><span style=\"font-weight: 400;\"> and are mainly covered with forests.<\/span><\/p>\n<h2><b>Dafla Hills<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>The Dafla (Daphla) Hills<\/b><span style=\"font-weight: 400;\"> are a rugged hill range located along the <\/span><b>border of Assam and western Arunachal Pradesh<\/b><span style=\"font-weight: 400;\"> in northeastern India.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">They form <\/span><b>part of the eastern Himalayan foothills<\/b><span style=\"font-weight: 400;\"> and rise steeply from the plains, with some peaks reaching great heights.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The region is covered with <\/span><b>dense forests, rich wildlife, and is home to <a href=\"https:\/\/vajiramandravi.com\/upsc-exam\/tribal-societies-in-india\/\" target=\"_blank\">tribal societies<\/a> and communities<\/b><span style=\"font-weight: 400;\">, which have helped preserve its natural environment and traditional way of life due to limited development.<\/span><\/li>\n<\/ul>\n<h2><b>Dafla Hills Geography<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The Dafla Hills are located along the<\/span><b> border of western Arunachal Pradesh and Assam,<\/b><span style=\"font-weight: 400;\"> with their southern slopes touching the Brahmaputra Valley plains near Tezpur and North Lakhimpur in Assam.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">They are <\/span><b>bounded by the Aka Hills in the west and the Abor Range in the east,<\/b><span style=\"font-weight: 400;\"> forming an important part of the northeastern hill system of India.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Towards the north, the hills rise into the <\/span><b>foothills of the Himalayas<\/b><span style=\"font-weight: 400;\">, while the main Dafla Hill region lies entirely <\/span><b>within Indian territory<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The area is traditionally inhabited by the <\/span><b>Dafla (Nyishi) tribe<\/b><span style=\"font-weight: 400;\"> and consists of extensive forested and rugged terrain.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The region can be accessed from nearby areas such as the <\/span><b>Ziro Valley<\/b><span style=\"font-weight: 400;\">, which acts as an important entry point to the hills.<\/span><\/li>\n<\/ul>\n<h2><b>Dafla Hills Topography<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The Dafla Hills have a <\/span><b>rugged and uneven landscape<\/b><span style=\"font-weight: 400;\"> with steep slopes, sharp peaks and deep valleys, which has kept the region isolated and difficult to access.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The hills rise from <\/span><b>low foothills to high peaks above 3,000 metres<\/b><span style=\"font-weight: 400;\">, with the <\/span><b>highest point reaching about 3,776 metres<\/b><span style=\"font-weight: 400;\">, showing strong relief.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">They are part of the <\/span><b>eastern <a href=\"https:\/\/vajiramandravi.com\/current-affairs\/himalayan-region-in-india\/\" target=\"_blank\">Himalayan Region<\/a>,<\/b><span style=\"font-weight: 400;\">\u00a0formed due to folding and uplift during mountain-building movements and the area is seismically active.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Rivers and streams, especially <\/span><b>tributaries of the Subansiri River<\/b><span style=\"font-weight: 400;\">, <\/span><b>have cut deep V-shaped valleys and gorges<\/b><span style=\"font-weight: 400;\">, making movement across the hills difficult.<\/span><\/li>\n<\/ul>\n<h2><b>Dafla Hills Climate<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The Dafla Hills <\/span><b>have a monsoon climate<\/b><span style=\"font-weight: 400;\">, with hot and humid lower areas and cooler conditions at higher heights.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">They <\/span><b>receive heavy rainfall during June-September<\/b><span style=\"font-weight: 400;\">, while winters are mostly dry.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Rivers like <\/span><b>Ranganadi and Dikrong<\/b><span style=\"font-weight: 400;\"> originate here and flow into the Brahmaputra basin.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Strong monsoon runoff often<\/span><b> causes floods in the Assam plains.<\/b><\/li>\n<\/ul>\n<h2><b>Dafla Hills Biodiversity and Protection<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The Dafla Hills lie in the<\/span><b> Eastern Himalayan biodiversity hotspot<\/b><span style=\"font-weight: 400;\"> and have dense forests with bamboo, orchids and evergreen trees; areas like <\/span><b>Sessa Orchid Sanctuary are famous for orchids.<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Wildlife includes<\/span><b> tigers, Asiatic black bears, capped langurs, leopard cats<\/b><span style=\"font-weight: 400;\">, and many small mammals, though large animals are rarely seen.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The region is rich in birds, with <\/span><b>around 240 species<\/b><span style=\"font-weight: 400;\">, including the rare <\/span><b>Bugun liocichla<\/b><span style=\"font-weight: 400;\"> found near Eaglenest.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Poaching and deforestation threaten wildlife, mainly due to traditional hunting and logging activities.<\/span><\/li>\n<li><b><a href=\"https:\/\/vajiramandravi.com\/current-affairs\/pakke-tiger-reserve\/\" target=\"_blank\">Pakke Tiger Reserve<\/a> and government-NGO<\/b><span style=\"font-weight: 400;\"> efforts focus on protection, but community participation and enforcement remain key challenges.<\/span><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>The Dafla Hills, on the Assam-Arunachal border, feature rugged terrain, dense forests, rich wildlife, tribal communities, and Eastern Himalayan biodiversity.<\/p>\n","protected":false},"author":25,"featured_media":86663,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[786],"tags":[5231],"class_list":{"0":"post-86684","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-general-studies","8":"tag-dafla-hills","9":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/86684","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/25"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=86684"}],"version-history":[{"count":5,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/86684\/revisions"}],"predecessor-version":[{"id":86692,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/86684\/revisions\/86692"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/86663"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=86684"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=86684"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=86684"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}