Both parks are encompassed in the Nanda Devi Biosphere Reserve (223,674 ha) which is further surrounded by a buffer zone (5,148.57 km2).
这两个公园都环绕在楠达戴维生物圈保护区（223,674公顷），它进一步由一个缓冲地带包围（5,148.57平方公里）。