From Kyangjin Gomba we camped at 4400m (BC) and 4900m (high camp) just an hour before Ganja-La pass. We started the summit attempt from high camp at 4.30. First hour or so over rocky terrain, then some rock climbing till we hit the snow at 5000m. We summited at noon. Returned the same way. Good route, quite steep sometimes. We needed fixed ropes on the rock climb section and on the summit section.
This ridge traverses rocky pinnacles above the snow slopes of the normal Northeast Face route. I walked up from Kyanchen Gompa, bivied once and soloed the route. It's a nice route, perhaps alpine AD. I descended by the normal route.