About Black Peak (Kala Nag) Altitude: 6,387 meters Location: Govind Pashu Vihar National Park, Uttarkashi, Uttarakhand Range: Bandarpunch Range Best Season: May–June & September–October Duration: 12–14 Days Grade: Difficult (Technical + Endurance) The peak gets its name “Kala Nag” (Black Serpent) due to its black, curved summit ridge resembling a cobra’s hood. ... https://www.thinairexpedition.com/black-peak-expedition/