A Project Tiger nature reserve, Periyar Wildlife Sanctuary is a protected area in God's Own Country, Kerala. The locale is set high in the mountains of the Western Ghats at the border to Tamil Nadu. It is situated in the districts of Idukki and Pathanamthitta. The total area covers an area of 777 km²;, out of which the span of the core zone is 350 km². It is the part which was made the Periyar National Park and Tiger Reserve. The park is often called by the name Thekkady also. The best season to visit Periyar wildlife sanctuary is from the months of October and June.
The temperatures in this famous sanctuary differ depending upon the altitude and it ranges between 15° Celsius in December and January and 31° Celsius in April and May. The annual amount of precipitation lies between 2000 and 3000 mm. About two thirds of the precipitation occurs during the southwest monsoon between June to September. A smaller amount of rainfall occurs during the northeast monsoon between October and December.
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