'Rooster Ridge') is a mountain range in Lam Tsuen Country Park, New Territories, Hong Kong.

[2] The tallest peak on the Kai Kung Leng mountain range is called Lo Tin Teng and is 585 metres (1,919 ft) above sea level.

Nearby, a peak simply called Kai Kung Leng, with the summit-signalling trigonometric post, stands at 572 metres (1,877 ft).

Slightly further away to the west, a subpeak called Kai Kung Shan is 374 metres (1,227 ft) tall.

In recent years, various media have reported some motocross bike users have been illegally biking on Kai Kung Leng, making the hillside completely into a piece of bare ground with intensified soil erosion, and knocking down some ancestral graves of indigenous villagers.