The classic week-long trek from Munsiyari to the Milam Glacier at 3,800 meters is one of the most iconic high-altitude routes in any Munsiyari travel guide. This trail follows an old trade route deep into the Himalayas, offering a mix of history and raw mountain landscapes. Along the way, trekkers pass through abandoned Bhotiya villages, narrow gorges, and wide alpine meadows, making it one of the most immersive things to do in Munsiyari. The route lies within the Nanda Devi Biosphere Reserve, adding ecological significance to the journey.

