State Highway 37 connects Adoor and Sasthamkotta, in Kerala. The road starts at Adoor on the M C Road and runs south-west through Thuvayoor and Bharanikavu before terminating at Sasthamkotta. Sasthamkotta is famous for Sree Dharmasastha Temple and Sasthamkotta Lake. State Highway 37 has a total length of 18 km and is spanned across the districts of Kollam and Pathanamthitta.
