Pat Sin Leng (Chinese: 八仙嶺) is a mountain range in the northeast New Territories of Hong Kong, located within the Pat Sin Leng Country Park. The name Pat Sin Leng literally means "Ridge of the Eight Immortals", who are eight well-known xian ("Immortals; Transcendents; Fairies") in Chinese mythology. The eight peaks along the Pat Sin Leng mountain range are each named after a different Immortal.

There are eight peaks whose elevation range from 489m to 590m. From west to east, they are:

Shun Yeung Fung (純陽峰) is the sixteenth highest peak in Hong Kong with an elevation of 590m, located in north Tai Po of New Territories. It is also the westernmost and highest peak of the Pat Sing Leng mountain range. The peak is named after the leader of Eight Immortals, Lü Dongbin (呂洞賓)'s secular name Chunyang Zi (純陽子).

Chung Li Fung (鍾離峰) is a mountain peak, part of the Pat Sin Leng range with an elevation of 529m. The peak is named after one of the Eight Immortals, Zhongli Han (漢鍾離).

Kao Lao Fung (果老峰) is a mountain peak, part of the Pat Sin Leng range with an elevation of 543m. The peak is named after one of the Eight Immortals, Elder Zhang Guo (張果老).

Kuai Li Fung (拐李峰) is a mountain peak, part of the Pat Sin Leng range with an elevation of 522m. The peak is named after one of the Eight Immortals, Iron-Crutch Li (鐵拐李).

Tsao Kau Fung (曹舅峰) is a mountain peak, part of the Pat Sin Leng range with an elevation of 508m. The peak is named after one of the Eight Immortals, Royal Uncle Cao (曹國舅).

Choi Wo Fung (采和峰) is a mountain peak, part of the Pat Sin Leng range with an elevation of 489m. The peak is named after one of the Eight Immortals, Lan Caihe (藍采和).