Lahaul Valley, situated amid the high and barren Himalayan mountain ranges, is remained secluded and peaceful and the inhabitants, having survived in the face of harsh environment, had developed and gave protection to their unique cultural heritages.Here in this monograph, an attempt has been made to illustrate the important features by way of photographs of the Buddhist monumental heritages preserved by the local inhabitants of the area for centuries which will serve as guide for serious scholars and researchers in carrying out detailed studies in the fields of arts, architecture, thangka paintings, iconography, wall paintings, etc. on the one hand and would be found useful for the lay visitors to the valley on the other.