The Battle of Spion Kop (; ) was fought about west-south-west of Ladysmith on the hilltop of Spioenkop(1) along the Tugela River, Natal in South Africa from 23-24 January 1900. It was fought between the South African Republic and the Orange Free State on the one hand and British forces during the Second Boer War campaign to relieve Ladysmith. It resulted in a Boer victory.