Grassy Hill is the fourteenth highest mountain in Hong Kong. Peaked at 647 m (2,123 ft), it is situated between Tsuen Wan and Tai Po and near Lead Mine Pass. Stage 7 of MacLehose Trail runs near its peak. The summit of the hill is located near point of contact of Tai Po District, Tsuen Wan District and Sha Tin District. The summit itself is located within Tsuen Wan District.

Geography

Grassy Hill has a cone-like shape. It forms the Shing Mun Reservoir catchment along with Needle Hill and Tai Mo Shan. Lead Mine Pass is in the western part of the hill.

Geology

Grassy Hill consists of volcanic rocks (of which are mostly tuffs). These rocks are formed in the Late Jurassic Period at around 160 million years ago.