The main peak consists of a large inclined western flank, sharp precipices on both the north and south faces, a steep eastern slope littered with scree, and a western face that drops into a deep gorge.
玉山主峰處於大規模向斜之西翼，南北兩側為千仞峭壁，東側是碎石陡坡，西側是深溝絕壑。