The backwaters in Kerala consist of Allapuzha,  Kottayam, Trivandrum, Kollam, Kuttanad, Kozhikode, Kazaragod, Cochin and Kumarakum backwaters. A network of lakes, rivers and canals fringe the coast of Kerala. These backwaters, while a great inland thoroughfare on water, offer an alternative lifestyle. The criss-crossed, palm-fringed lakes traversed with Chinese  fishing nets are very popular cruises, especially between Kollam and Allappuzha. The backwaters have become important attractions though they are threatened by population growth and industrial development. Of the 29 major lakes on the backwaters, seven drain into the sea. Stretched over a total expanse of 1500 kms, the backwaters have a network of 44 rivers, lagoons and lakes from north to south. Allapuzha backwaters  is prominent on the tourist trail as it is one of the major  centers  for  backwater  boat  trips. With  Arabian sea on the west, Alappuzha has a large network of lakes, lagoons and several freshwater rivers intersections.  Alappuzha has grown in importance as a backwater tourist center, attracting several thousands of foreign tourists every year who come here  to enjoy the serene marine beauty of the state. Boat  races,  houseboat  holidays,  beaches, marine products and coir industry are some of the major attractions  offered by Alappuzha.   The inflow of  tourist in backwaters   of kerala, has generated   social, cultural, economical and environmental problems.