Saam Castle is located within a distance of 28 km. in Zahedan – Zabol Road, and its structure is in a form of an irregular trapezium. This castle has two entrances, one to the north, and the other to the south with a watch tower. This relic belongs to the Parth period and has been made of sun baked bricks. The said structure has 36 watch towers, 9 of which stand in each corner of the castle, and 28 watch towers surround the structure itself.