Black Peak expedition (6,387m) in Garhwal is serious mountaineering. Technical climbing on glaciers, steep snow slopes, crevasse navigation. Starts from Gangotri region. Requires prior high-altitude experience, rope skills, fitness. Takes 10-12 days. Best May-June, September-October. Not beginner-friendly—this is a legitimate Himalayan peak demanding respect and preparation. https://www.thinairexpedition.com/black-peak-expedition/