Tarbela Dam is an earth-filled dam along the Indus River in Pakistan's Khyber Pakhtunkhwa province. It is mainly located in Haripur Tehsil. It is about 20 km from the city of Swabi KPK, 105 km northwest of Islamabad, and 125 km east of Peshawar. It is the largest earth-filled dam in the world. The dam is 143 metres high above the riverbed and its reservoir, Tar…Tarbela Dam is an earth-filled dam along the Indus River in Pakistan's Khyber Pakhtunkhwa province. It is mainly located in Haripur Tehsil. It is about 20 km from the city of Swabi KPK, 105 km northwest of Islamabad, and 125 km east of Peshawar. It is the largest earth-filled dam in the world. The dam is 143 metres high above the riverbed and its reservoir, Tarbela Lake, has a surface area of approximately 250 square kilometres.