Fort Lingga (Malay: Kubu Lingga) is a historic BrookeâÂÂera fort located in the Lingga area of Simanggang (presentâÂÂday Sri Aman), Sarawak, Malaysia. Built in 1849, it is one of the earliest forts constructed during the rule of the White Rajahs and forms part of the wider network of defensive and administrative structures established throughout the Raj of Sarawak.
Fort Lingga was constructed in 1849 under the administration of the first White Rajah, James Brooke, as part of his strategy to consolidate control over upriver territories and quell regional resistance. It was supported in part by local Malay leaders, including Lela Pahlawan Abang Usin, who assisted in its establishment and defense. The fort later served as an operational hub during BrookeâÂÂera military campaigns. Notably, it functioned as an overnight staging point during Charles BrookeâÂÂs 1861 Sadok Expedition, where allied Iban and Malay forces gathered before advancing toward the stronghold of Rentap at Bukit Sadok.
As with other BrookeâÂÂera forts, Fort Lingga served several important functions:
Aligned with the Brooke policy of establishing relatively uniform wooden forts across divisions, Fort Lingga exemplified typical fort construction of the era, often using durable Belian (Bornean ironwood, Eusideroxylon).
Although many Sarawak forts have been preserved, restored, or adapted into museums, Fort Lingga itself no longer survives as a complete structure. According to heritage research, its only clearly visible remnant is a surviving flagpole marking its historical footprint.
Fort Lingga forms part of the broader system of BrookeâÂÂera forts that shaped Sarawak's administrative, military, and cultural landscape. These fortifications once served to maintain order, collect taxes, manage trade, and mediate relations with Indigenous communities. Over twenty such forts were built, and their historical legacy continues to be the subject of active academic research and heritage documentation.