The Chilai Ridge Line, which marks the northern end of the mountain range, is crisscrossed with perilous gorges and cliffs, and the weather is unpredictable, accounting for its infamy as "Black Chilai" among mountain climbers.
山脈最北段的奇萊連峰，斷崖嶙峋，氣候變幻莫測，「黑色奇萊」之名在登山者口中不逕而走。