In the middle of the southern slope is the stunning Montaña Resort Lodge , a luxury hotel housed in a pavilion . The custom - made structure ' erupts ' every year , offering a cascading waterfall display much to the delight of visitors . Located as part of the 300,000-acre Huilo Huilo wildlife Reserve , home to the world 's smallest Pudu deer .
In the middle of the southern Andes is the stunning Montaña Mágica Lodge , a luxury hotel housed in a volcano . The man-made structure 'erupts ' every day , offering a cascading waterfall display much to the delight of guests . Located as part of the 300,000-acre Huilo Huilo Biological Reserve , home to the world 's smallest Pudu deer .