Numerous rivers and backwaters inundate the region. Shikara can go through the narrow canals in backwaters in Alleppey.. A houseboat cruise in these backwaters can be booked. Some of the backwaters are rich in mangrove forest. "Houseboat" or "Kettuvallam" rides in the backwaters are a major tourist attraction. Paravur has an array of backwaters and lakes surrounding the town. The name refers to the network of waterways and backwaters that Alappuzha and surrounding areas. Kottayam has a network of rivers, backwaters, ancient religious places, and hill stations. The coastal area of Tulu Nadu is very rich concerning rainforests and backwaters. Honnemaradu is situated on the banks of the backwaters of the Sharavati river. The state has numerous backwaters, which are used for commercial inland navigation. Hydromorphic saline soils are also found in the areas surrounding the backwaters. Regular ferry services connect most locations on both banks of the backwaters. Vellayani, Thiruvallam and Aakulam backwaters lie in the city. The water is lifted to backwaters of Annaram barrage.