Tamil Nadu topographic map
Click on the map to display elevation.
About this map
Name: Tamil Nadu topographic map, elevation, terrain.
Average elevation: 254 m
Minimum elevation: -3 m
Maximum elevation: 2,544 m
The annual rainfall of the state is about 945 mm (37.2 in) of which 48 per cent is through the northeast monsoon, and 32 per cent through the southwest monsoon. Since the state is entirely dependent on rains for recharging its water resources, monsoon failures lead to acute water scarcity and severe drought. Tamil Nadu is divided into seven agro-climatic zones: northeast, northwest, west, southern, high rainfall, high altitude hilly, and Kaveri Delta (the most fertile agricultural zone).
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