Advanced 8-10 day expedition in Uttarakhand reaching 12,516 feet at India's second-highest peak's base. Route from Lata village crosses challenging Dharansi Pass and Longstaff Col with technical glacier sections. UNESCO World Heritage sanctuary requires special IMF permits. Best May-June, September-October. Demands excellent fitness, high-altitude experience. Spectacular Nanda Devi ma... https://www.thinairexpedition.com/nanda-devi-base-camp-trek/