Bishazari Tal, also spelled Beeshazar Tal, is an extensive oxbow lake system in the buffer zone of the Chitwan National Park, a protected area in the Inner Terai of central Nepal. This wetland covers an area of 3200 ha at an altitude of 286 m. The Mahabharat mountain range (Lower Himalayan Range) is located north of the lake, which is itself north of the Siwalik Hills. In August 2003, it has been designated as a Ramsar site. The Nepali words 'bis' बिस् (twenty), 'hajār' हजार् (thousand) and 'tāl' ताल् (lake) mean '20,000 lakes'.

Fauna

The forested wetland provides habitat as a waterhole and wildlife corridor for several wildlife species that includes mammals, birds and reptiles. The forested wetland provides habitat to several mammals that includes Bengal tiger (Panthera tigris tigris), Sloth bear, Smooth-coated otter, one-horned rhinoceros (Rhinoceros unicornis), Wild boar (Sus scrofa) and Indian porcupine (Hystrix indicus). Along with mammals the wetland hosts Indian peafowl (Pavo Cristatus), white-rumped vulture, Pallas's fish-eagle, lesser adjutant, and ferruginous duck. The reptiles that are found here includes Indian rock python (Python molurus), King cobra (Ophiohagus hannah) and Mugger crocodile (Crocodylus palustris).