The best time to visit Adi Kailash or Om Parvat in the Indian Himalayas largely depends on your preferences and the activities you plan to undertake. However, the most popular time to visit these destinations is during the summer months, from May to June, and the post-monsoon season from September to October. During these times, the weather is relatively pleasant, and the trekking routes are more accessible. You’ll also have a better chance of clear skies and stunning mountain views.