The protected areas of Nepal cover mainly forested land and are located at various altitudes in the Terai, in the foothills of the Himalayas and in the mountains, thus encompassing a multitude of landscapes and preserving a vast biodiversity in the Palearctic and Indomalayan realms. Nepal covers in the central part of the Himalayas. Altitudes range from in the south-eastern Terai to at Mount Everest within a short horizontal span. This extreme altitudinal gradient has resulted in 11 bio-climatic zones ranging from lower tropical below to nival above in the High Himalayas, encompassing nine terrestrial ecoregions with 36 vegetation types.
Additionally, nine Ramsar sites were declared between 1988 and 2008. Two wildlife reserves were declared as national parks in 2017.
Nepal has the following kinds of protected areas, in the sense of the word designated by IUCN:
The following Ramsar sites were declared between 1988 and 2008: