Koynanagar is a town in Maharashtra, India. It is situated on the Chiplun-Sangli state highway on the banks of Koyna River. The town is small but famous for Koyna Dam and the Koyna Hydroelectric Project which is the largest completed hydroelectric project of India. An earthquake in 1967 flattened the city.see 1967 Koynanagar earthquake
Koyna Nagar is nestled in the Western Ghats and hence has a tolerable climate for most of the year. It is situated at about above sea level.
The Nehru Gardens, the Botanical Gardens and Kumbarli Ghat viewpoint are the most popular destinations in the vicinity. Although a sparsely populated town, hordes of picnickers mostly from Pune, come to this area during the monsoon season. Cold waterfalls, rolling green hills with misty tops, foggy corners are seen in the Kumbarli Ghat which is a mountain pass.
The Nehru Gardens is a landscaped garden which overlooks the Koyna Dam is two kilometres away from the town. The gardens are well maintained, though an eatery is absent . A Botanical garden is situated five kilometres from Nehru Park. It contains rare species of plants, some of which are used for its medicinal properties and in research. All the plants are native to the Western Ghats.