The backwater village of Alumkadavu is famed for the building of Kettuvallam – boats used for backwater cruise.
Alumkadavu has a history of building Kettuvallams. They were formerly used for ferrying cargo in rural
. With the passage of time, Kettuvallams gave way to modern means of transport and now they are used as houseboats. At Alumkadavu, a kettuvallam has been transformed into a floating conference hall.
Alumkadavu is located on the Kollam-Alappuzha National Water Way and is 23 km north of Kollam
is a nearby town.