(167) #2 of 21 most visited in Fuji Five Lakes. View of Lake Yamanakako and Mount Fuji from Panorama Dai. Lake Yamanakako (山中湖) is the largest of the Fuji Five Lakes and the second most developed lake behind Lake Kawaguchiko with small towns at its western and eastern ends and a few hotels, minshuku, camping grounds and restaurants in between.