In the south-east, from the coastline inland, is Yala National Park. It is a big old space, about a thousand square km and Sri Lanka is second largest national park. Its vegetation ranges from open parklands to dense jungles dotted with small lakes, lagoons and flowing steams, which pump its ecosystem with an abundant supply of water even in the driest season. Yala is main draw is the leopard and it is said to be one of best places in the world to view leopards. It has been theorized that Yala may have the highest density of leopards in the world.