Wildlife at Flood Plains National Park
Flood Plains National Park protects a section of the Mahaweli River corridor in the North Central Province near Polonnaruwa, covering roughly 373 square kilometres. It was declared a national park in August 1984.
The defining feature is the villus, the shallow marshy depressions that characterise these flood plains. Prolonged seasonal flooding in these low lying basins produces exceptionally high primary productivity, and the rich grazing that results attracts large numbers of grazing animals and birds. It is the same mechanism that makes neighbouring Somawathiya such a strong elephant habitat.
The park matters most as a corridor. It is an important habitat for Asian elephants in its own right and, critically, provides the route that allows elephants to move between Wasgamuwa and Somawathiya. Without that link the two populations would be far more isolated. It forms a critical connection in the wider Mahaweli River system that also takes in Minneriya.
Waterbirds do well across the villus and river channels, and the flood plain habitat supports species less common in the drier scrub parks.
For visitors, the practical position is straightforward. This is a conservation area rather than a safari destination, and the wildlife it protects is best seen from the parks either side of it.
The park is closed to general visitors
The most useful thing to know about Flood Plains National Park is that you cannot currently book a safari here. The park is closed to general visitors in order to enable more effective wildlife conservation.
We would rather tell you that plainly than sell you a booking that does not exist. If you have found this page while planning a trip, the parks either side of it are where you want to look.
This closure is a conservation decision rather than a temporary access problem. The park's primary value is as a wildlife corridor, and keeping vehicle traffic out of it protects the elephant movement between Wasgamuwa and Somawathiya that the park exists to safeguard.
That is worth understanding rather than resenting. Sri Lanka's protected areas are increasingly fragmented by farmland and settlement, and corridors like this one are what keep separate elephant populations connected to each other. A park that quietly does that job is doing something more valuable than another set of jeep tracks.
If access arrangements change in future, the position here will change with them. For now, treat Flood Plains as part of the landscape you are travelling through rather than a destination to book.
The sections below cover where to go instead and what you would be seeing if you could visit.
Where to go instead
The wildlife that Flood Plains protects can be seen in the parks that surround it, and two of them are excellent.
Somawathiya is the closest equivalent and the obvious substitute. It sits on the same Mahaweli flood plains northeast of Polonnaruwa, it has the same villu landscape, and it holds an estimated four hundred elephants. If the flood plain habitat is what drew you here, Somawathiya gives you exactly that and you can actually book it.
Wasgamuwa is the other end of the corridor, bordered by the Mahaweli and Amban rivers. It is a large, very quiet park where the elephants have had little exposure to jeeps and behave as genuinely wild animals. It is a different experience from the flood plains but it protects the same elephant population.
Minneriya and Kaudulla are within the wider Mahaweli system and are the places to go for the seasonal gathering, the largest congregation of Asian elephants anywhere. Minneriya runs roughly July to September and Kaudulla around October to November.
Polonnaruwa makes a practical base for all of these, and it puts the ancient city on the same trip. If you were routing toward Flood Plains, you are already in the right part of the country. Pick one of the four above and you will have a better day than the closed park would have given you.
Yala National ParkTissamaharama
Udawalawe National ParkEmbilipitiya
Kumana National ParkArugam Bay
Bundala National ParkHambantota
Lunugamvehera National ParkTissamaharama
Maduru Oya National ParkMahiyanganaya
Gal Oya National ParkAmpara
Hurulu Eco ParkHabarana
Wasgamuwa National ParkPolonnaruwa
Kaudulla National ParkHabarana
Wilpattu National ParkAnuradhapura
Minneriya National ParkHabarana
Somawathiya National ParkPolonnaruwa