4. Aliyar Dam
Dubbed as the best picnic spot in Valparai, this dam is situated at a distance of 40 km from Valparai and 25 km from Pollachi. This dam houses a park, aquarium, garden, play area and boat house. There is also a forest rest house, if you want to stay overnight. This dam is open from 08.30 AM to 05.30 PM.