| Gerdab-e Sangi | |
| Native Name: | گرداوو بردینه |
| Location: | Khorramabad, Iran |
| Type: | Whirlpool |
| Material: | Stone, mortar |
| Complete: | Sassanid Empire era |
| Open: | Yes |
| Map Name: | Iran |
| Coordinates: | 33.4914°N 48.3489°W |
Gerdab-e Sangi or Gerdau Bardineh (Persian: گرداب سنگی, Lurish: گرداوو بردینه) is a historical stony whirlpool from the Sassanid era located in Takhti Square of Khorramabad in Lorestan province, Iran.This building with a diameter of 18 meters and width of 3 meters and a height of 12m of well floor has surrounded around the seasonal well. Well that Gerdab-e-Sangi is fed by it has water from mid-winter to mid-summer and at other times is dry.[1] The stony whirlpool has been constructed of stone, whereas itself is a mixture of stone and mortar.Gerdab-e Sangi is registered on the list of National Monuments.[2]