It was established in 2002 and includes the hamlets of Aritar, Dakline Lingtam, Phadamchen, Dzuluk, Gnathang Monastery Kupup.

[4] Pangolakha range in the east separates Sikkim from its eastern neighboring country Bhutan, whereas it is linked through forest patches to the south with Neora Valley National Park in West Bengal.

[5] Rivers and their tributaries from the north are frozen from December to March; whereas they all flow with an enormous volume of water during the rainy season from mid-April to mid-October.

[3][6] Birds in Pangolakha Wildlife Sanctuary include kalij pheasant, Oriental honey buzzard, blood pheasant, white-crested laughingthrush, striated laughingthrush, chestnut-crowned laughingthrush, bar-throated minla, red-tailed minla, white-browed shrike babbler, white-browed fulvetta, rufous sibia, whiskered yuhina, stripe-throated yuhina, rufous-vented yuhina, brown dipper, rusty-flanked treecreeper, dark-rumped rosefinch, little bunting.

[5] The State Forest Department has set up Eco-Development Committees (EDCs) around all wildlife protected areas.