State Highway 78 (SH 78) or Valparai-Pollachi Road is a State Highway in Tamil Nadu, India that starts from Valparai and ends at Pollachi. The highway is often described as one of the best scenic routes in South India. There are 42 hairpin bends on this road. Monkey waterfalls and Aliyar waterfalls are located on this route. It connects with Valparai-Chalakudy road, another scenic route in South India.
See also State Highway 21 (Kerala)
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