The Cairo Tower is a free-standing concrete tower in Cairo, Egypt. At 187 m (614 ft), it was the tallest structure in Egypt for 37 years until 1998, when it was surpassed by the Suez Canal overhead powerline crossing. It was the tallest structure in North Africa for 21 years until 1982, when it was surpassed by the Nador transmitter in Morocco. It was the tallest structure in Africa for one year until 1962, when it was surpassed by Sentech Tower in South Africa.