&sq=Qlik&lang=&file=File:SH_KL_21.svg) | ||||
|---|---|---|---|---|
| Chalakudy-Malakkappara Road | ||||
 SH 21 highlighted in red | ||||
&sq=Qlik&lang=&file=File:Way_to_Vazhachal_From_Athirappilly.JPG) Chalakudy-Vazhachal stretch on the road | ||||
| Route information | ||||
| Maintained by Kerala Public Works Department | ||||
| Length | 86 km (53 mi) | |||
| Major junctions | ||||
| West end |  NH 544 in Chalakkudy | |||
| East end | MDR-354 at Tamil Nadu border in Malakkappara | |||
| Location | ||||
| Country | India | |||
| State | Kerala | |||
| Districts | Thrissur, Palakkad | |||
| Highway system | ||||
| State Highways in Kerala | ||||
| ||||
State Highway 21 (SH 21) or Chalakkudy-Malakkappara Road is a State Highway in Kerala, India that starts in Chalakudy and ends at the state boundary with Tamil Nadu at Malakkappara. The road where its majority of portion passes through Sholayar reservoir is 86.0 kilometres (53.4 mi) long.[1] It passes through one of the most picturesque rainforests and is often described as one of the best scenic routes in India.[2] The Athirappilly falls and Vazhachal falls are located on this route. It connects with Valparai-Pollachi Road in Tamil Nadu.
- ^ "Kerala PWD - State Highways". Kerala State Public Works Department. Retrieved 26 February 2010.
- ^ "Drive along one of India's most beautiful forest road". OnManorama. Retrieved 16 July 2023.