Snowfall in these regions can create breathtaking landscapes but also poses challenges such as road closures, extreme cold, and limited accessibility in high-altitude areas like Spiti Valley and Tawang. Travellers should be prepared for potential delays and ensure they have appropriate winter gear. Heavy snowfall can disrupt transportation and make certain trekking routes or tourist attractions inaccessible. Those visiting remote or high-altitude destinations should also account for the risk of altitude sickness and limited medical facilities.