petersen peak () is a rock peak (1,215 m) standing 6 nautical miles (11 km) southwest of morris hills in the north-central part of shackleton range. it was first mapped in 1957 by the commonwealth trans-antarctic expedition and named for hans c. petersen, the captain of the danish ship magga dan which transported members of the commonwealth trans-antarctic expedition to the filchner ice shelf in 1956-57.