Mount Alverstone or Boundary Peak 180, is a high peak in the Saint Elias Mountains, on the border between Alaska and Yukon. It shares a large massif with the higher Mount Hubbard to the south and the slightly lower Mount Kennedy to the east. The summit of Mount Alverstone marks a sharp turn in the Alaska/Canada border; the border goes south from t…Mount Alverstone or Boundary Peak 180, is a high peak in the Saint Elias Mountains, on the border between Alaska and Yukon. It shares a large massif with the higher Mount Hubbard to the south and the slightly lower Mount Kennedy to the east. The summit of Mount Alverstone marks a sharp turn in the Alaska/Canada border; the border goes south from this point toward the Alaska panhandle and west toward Mount Saint Elias.