Mount Makalu, the fifth highest mountain in the world, located in the Mahalangur range of the Nepal Himalayas, southeast of Mount Everest is in the border between Nepal and Tibet. Makalu is an isolated peak which is shaped like a four-sided pyramid. Makalu I and Makalu II are the two notable subsidiary peaks of Makalu lying 3 km north-northwest of the main summit. The peak elevates to a height of 8,463 m. Makalu I lies in Makalu Village Development Committee under Makalu rural municipality of Sankhuwasabha District in Eastern Development Region of Nepal. It is open for expeditions. It takes approximately 75 days to summit Makalu I. A flight to Tumlingtar is the entry point for Makalu I. Jean Couzy and Lionel Terray were the first mountaineers to successfully ascend the peak on May 15, 1955. The caravan route for Makalu I begins from Tumlingtar to Bamling to Seduwa to Sadema to KaloPokhari and finally to the Base Camp. The total distance of the caravan route through Tumlingtar is 93.7 km. The total climbing route length is 5.8 km. The nearest settlement to Makalu I is at Sadema at a distance of 41.4 km .The nearest health post to the peak is in Murmi Danda which is at 48.6 km away.