|Drupthob Melong Dorji Drup Phug|
(retreat cave) at Sumthrang cliff
Sumthrang has been a monastic seat where retreat was the focus according to Sumthrang Chojey Lam Gyamtsho.
As you see around the cliff at the north, there are as many ruins of olden day retreat centers, where forefathers of Sumthrang chojey family led as many followers on retreat at these places. The cliff also houses a retreat cave of Drubthob Melong Dorji one of the great yogi who flew after life long retreat.