Achankovil is a 128 km long west flowing river in Kerala, India, which flows through Kollam, Pathanamthitta, and Alappuzha districts. The river drains vast tract of fertile plains of Upper Kuttanad in the Alappuzha and Pathanamthitta districts. It also sustains numerous urban settlements along its course such as Konni, Pathanamthitta, Pandalam, Mavelikkara etc. From Wikipedia
