Kashmir /Punjab/ Himachal Himalayas
- Located between the Indus gorge and the Satluj gorge
- They are 560 km long and 320 km wide.
- The Zaskar range forms the northern boundary and the Shiwaliks, the Southern boundary.
- The region has a ridge and valley topography.
- The region is famous for the Wular Lake and the Dal Lake.
- The region is also known for the karewa deposit used for saffron cultivation.
- It is surrounded by the sloppy mountains of Zaskar and Pir Panjal where alpine grasslands are called Bugyals.
- The only gateway to Kashmir from the South is the Banihal pass.
- Other Passes in the region are Burzil Pass and Zojila pass.
Kumaun Himalayas
- Between Satluj and Kali Gorges.
- Kumaun Himalayas extend for 320 km.
- Major mountain ranges – Nag Tibba, Dhaula Dhar, Mussoorie, and parts of the Greater Himalayas.
- Major peaks – Nanda Devi, Kamet, Badrinath, Kedarnath, etc.
- Major Glaciers – Gangotri, Yamunotri, Pindari, etc.
- Vegetation – coniferous forests above 3200m.
Central/ Nepal Himalayas
- Between river Kali in the west and river Tista in the east.
- Length is 800km.
- Major peaks – Mt. Everest, Kanchenjunga, Makalu, Annapurna, Gosainthan, and Dhaulagiri.
Assam / Eastern Himalayas
- Between the Tista River in the west and the Brahmaputra River in the east.
- The length is 750 km.
- Occupy mainly the areas of Arunachal Pradesh and Bhutan.
- Earthquakes are very common in the region.
- Inhabited by various tribes.
Purvanchal
- The Purvanchal Range lies south of the Brahmaputra valley.
- Major peaks – Saramati in Naga hills, Blue Mountain in Mizo hills.
- Manipur hills are known for the Loktak Lake.
- These mountains belong to Arakan Yoma orogenesis.
- This region is known for shifting cultivation called jhumming.