Pak Sha Wan Battery, Military fortification in Eastern District, Hong Kong.

Pak Sha Wan Battery is an artillery fortification on the northeastern shoreline of Hong Kong Island containing gun emplacements, ammunition storage, and an observation post. The installation was positioned strategically along this coastal strip to monitor approaches to the island.

The British began building the battery in 1901 and completed it in 1903, arming it with four 3-inch 12-pounder Mk I guns plus barracks and a magazine. A 1909 rebuild replaced these in 1910 with three 6-inch breech-loading guns. In 1936 one of those guns was removed for a new battery on Hong Kong Island's south coast.

The battery exemplifies British military construction methods and reflects how colonial authorities designed coastal defenses to protect the island's approaches during the early 1900s. This site remains a testament to engineering practices developed specifically for difficult coastal terrain.

The battery itself is closed to the public and can only be reached by a small path near the Island Eastern Corridor. The Hong Kong Museum of Coastal Defence, housed in the former Lei Yue Mun Battery, opened in July 2000 and covers the wider coastal defences; the battery lies north of the corridor, separate from the museum.

On the night of 15 December 1941, sentries at the battery spotted about 100 Japanese troops crossing the Lei Yue Mun strait in small boats. The guns fired 58 times over half an hour and drove the flotilla back, one of the few clear defensive successes of the battle.