Built in 1886, this fort is situated near Kota Bridge on the bank of Klang River, Selangor. The 141-year old Raja Mahadi Fort was constructed during the war in 1886 where Prince Mahathir Ibni Almarhum Raja Sulaiman built this fort in order to fight against his enemy, Prince Abdullah Ibni Almarhum Raja Jaafar. Made according to contemporary structural architecture, Raja Mahadi Fort has survived the onslaught of time since the fight between the Malay Sultanates more than a 100 years ago.