| Country: | IND |
| Type: | SH |
| State: | Kerala |
| Route: | 66 |
| Alternate Name: | Alappuzha - Thoppumpady Road |
| Map: | --> |
| Map Custom: | yes |
| Map Notes: | SH 66 highlighted in red |
| Maint: | Kerala Public Works Department |
| Length Km: | 51.72 |
| Direction A: | South |
| Direction B: | North |
| Districts: | Alappuzha, Ernakulam |
| Previous Type: | SH |
| Previous Route: | 65 |
| Next Type: | SH |
| Next Route: | 67 |
State Highway 66 (SH 66) is a State Highway in Kerala, India that starts in Alappuzha and ends in Thoppumpady. The highway is 44.1 km long.[1] Famous pilgrimage shrines such as Arthunkal, Thumpoly and Kannamali are on this route. Arthunkal - Thumpoly -Kannamaly .
Alappuzha - Thumpoly - Mararikulam - Arthunkal - Thyckkal - Ottamassery - Andhakaranazhy - Pallithodu - Kannamaly - Thoppumpady.Alappuzha -Thumpoly - Arthunkal - Andhakaranazhy - Thoppumpady .