2 - 3
FATMAP difficulty grade
Ascend Shipowners ridge to the top.
1 25m rappel towrads the north puts you in the moat/col.
Traverse the thema glacier for a short stretch gaining the NW ridge from the east.
Traverse the rock ridge passing difficulties/gendarmes on the therma glacier side.
When the ridge steepens climb several short pitches of moderate rock to the top of the kangaroo.
Continue up through ~3 pitches of moderate rock to the top of the buttress.
Follow the scree ridge to the summit ice cap.
Descend the same route.