Thread by @iamvijayakumar

Every mountain has its own unique characteristics. Let us see, 20 unique facts about #Nilgiri district in #TamilNadu.
#Ooty #Kotagiri #Coonoor #Gudalur #Cauvery #Chaliyar
1.#Nilgiri hill has triangular shape with each side facing a different direction, influencing the weather 1/n

2. Nilgiri could also be divided into three region based on main monsoon and rainfall period.
3. West-South West Nilgiris dt gets main rainfall in #SouthWestMonsoon during summer. Places like Devala, OValley, Upper Bhavani, Avalanche, Glenmorgan, Naduvattam, Gudalur.etc 2/n

4. #Avalanche got 911mm rainfall in 24hrs (highest in South India) and 1731mm in 48hrs - Highest after Kashi hills in #India.
5. East facing mountain regions like Ooty, Kotagiri, Coonoor, Ketti receive their main rainfall during winter in #NothEastMonsoon
#Nilgiris
3/n

6.Nilgiris has 3 temperature region based on its height
7.Ooty & its surrounding sits above 7100ft. North-west region and Sigur plateau has low altitude of ~3200ft. Kotagiri-Coonoor region is in middle height >5500ft.
8.Ooty is one the largest city that sits >7100ft in India 4/n

9. From June to Jan, some region in Nilgiris will be in active monsoon
10.During summer/SWM, high altitude #Ooty with relatively dry climate is ideal for vacation. It offers Cool temp without large rain.Driving just 20km west, one could reach active monsoon part of #Nilgiris 5/n

11.During winter, Ooty receive rainfall, but dry low altitude north-western Nilgiris areas like O-Valley, Devala,Gudalur,Pandalur,Nadugani is ideal for vacation, offers tolerable cool temperature+dry weather.
12.During winter #Ooty offers avg lowest temperature in #SouthIndia 6/n

13. #Coonoor-#Kotagiri offers best climate in Autumn.etc
14. So tourist/visitors could plan for a Nilgiris region based on their preferable rainfall & temperature
15. Nilgiri dt has two national parks(Mudumala, Mukuruthi)
16. Nilgiri is part of diverse biosphere reserve 7/n

17.#Nilgiri langur, Nilgiri Marten, Nilgiri tahr,Nilgiri Pipit, Nilgiri Flycatcher, Nilgiri WoodPigeon, Nilgiri BlueRobin, Nilgiri LaughingThrush, Nilgiri Flowerpecker, Nilgiri Thrush.etc are some of animal/bird species, amphibian like Nilgiris wartfrog.etc are named after it 8/n

18. Nilgiris dt has 2 major river basins, those are #Chaliyar and #Cauvery.
19. There are 63 notable river streams in Nilgiri dt. 26 streams in Bhavani, 24 streams in Moyar, 8 big streams in Chaliyar tributary (Pandipuzha, Karimpuzha..etc), Kabini tributary Nugu has 6 streams 9/n

20. #Nilgiris biosphere reserve is one of the #UNESCO listed biosphere reserve in the world, it contains largest number of Bengal Tigers, Asian Elephant, Gaur..etc in the single contiguous location in the world. Situated in TN(2537.6 sqkm), KA(1527.4 sqkm) & KL(1455.4 sqkm) 10/n

21.Nilgiri has endemic fresh water fish species such as Danio neilgheriensis(Nilgiri Danio),Hypselobarbus dubuis(Nilgiris Dubuis) & Puntius bovanicus(Barb). All 3 species found only in Nilgiris but is in the verge of disappearance.Barbodes bovanicus may disappear in few yrs. 11/n

22.Nilgiri fauna includes ~100 species of mammals, 350 birds, 80 reptiles & amphibians, 300 species of butterflies & innumerable invertebrates. 39 species of fish, 31 amphibians & 60 species of reptiles endemic to the Western Ghats also occur in the Nilgiri Biosphere Reserve 12/n

@supriyasahuias @SudhaRamenIFS @Sandy_Nanduri @collrnlg @karthickselvaa @ChennaiRains @ThinBrownDuke26

By Autumn i meant last phase of monsoon, (Since, India donot have autumn in general sense). Coonoor-Kotagiri receive good rainfall during NEM. Ooty is receive year around moderate rainfall places since it is on the central high altitude.