About the difficulty of Gosaikunda Trek, this is a moderate, but can be hard novice trekkers and beginners. This trek involves up and down hill walk. You are reaching 4300 meter from the sea level in 3 days. This trek doesn’t require mountaineering skills. Regular hikers / trekkers easy can complete this trek in 5 days. This itinerary offers a standard walking time for gradual gain of the altitude to greatly reduce the risk of altitude sickness you better allow one extra day if you are not sure of it.