The Patkai Hills are a range of hills known for their natural beauty and rich environment. Covered with dense forests and greenery, they form an important part of the landscape in the northeastern region. These hills are marked by rolling terrain, deep valleys, and a pleasant natural setting. The area is known for its rich biodiversity, with a variety of plants and animals found in the forests.
Patkai Hills Features
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- Located in Northeast India along the India-Myanmar border; spread across Arunachal Pradesh, Nagaland, and Manipur, extending into Myanmar
- Part of the Purvanchal Hills (Eastern Highlands) and connected with Naga Hills, Manipur Hills, and Mizo (Lushai) Hills
- Formed during the Mesozoic era due to tectonic activity and collision of the Indian Plate with the Eurasian Plate
- Associated with the syntaxial bend of the Himalayas near the Dihang Gorge
- Classified as fold mountains, lower and less rugged than the Himalayas
- Characterized by parallel north-south ridges, steep slopes, deep valleys, and conical peaks
- Average elevation ranges between 2,000 to 3,000 meters
- Mount Saramati (3,826 m) is the highest peak (in adjoining Naga Hills)
- Composed mainly of sedimentary rocks, especially sandstone
- Region has multiple faults and is geologically unstable
- Experiences tropical monsoon climate with heavy rainfall
- Covered with dense tropical evergreen and semi-evergreen forests
- Rich in biodiversity, forming part of an important ecological zone in Northeast India
- Acts as a watershed region; rivers like the Dihing River flow through it and join the Brahmaputra
- Includes sub-regions such as Patkai-Bum, Garo-Khasi-Jaintia Hills, and Lushai Hills
- Holds strategic importance due to its location along the India–Myanmar border
- Inhabited by various tribal communities practicing traditional lifestyles like shifting cultivation (jhum)
- Faces environmental challenges such as deforestation, soil erosion, and ecological fragility
- Important Flora:
- Dense forests of tropical evergreen and semi-evergreen vegetation
- Presence of bamboo, cane, orchids, ferns, and medicinal plants
- Valuable timber species like teak and other hardwood trees
- Important Fauna:
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- Home to species like elephants, tigers, leopards, and clouded leopards
- Rare and endangered species such as Hoolock gibbon (India’s only ape)
- Rich bird diversity including hornbills and pheasants
- Reptiles and amphibians thrive due to humid climate
- Faces environmental challenges such as deforestation, soil erosion, and ecological fragility
Last updated on March, 2026
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Patkai Hills FAQs
Q1. Where are the Patkai Hills located?+
Q2. Which major hill system includes the Patkai Hills?+
Q3. How were the Patkai Hills formed?+
Q4. What are the main geographical features of the Patkai Hills?+
Q5. What type of rocks are found in the Patkai Hills?+







