Do Ab is the name of a rural area situated in the heart of Savadkuh County of Mazanderan province, Iran. It contains five villages. Sevatcow station on the Mazanderan branch of the trans-Iranian railway was built there during the rule of Reza Shah Pahlavi. Currently, train stops about 1 p.m. every day. It is about 7 kilometers south of Pol-e Sefid (Capital of township) and about 14 kilometers from Veresk Bridge.

Do Ab Rail way bridge, One of famous bridges of Mazanderan.
Do Ab Rail way bridge, One of famous bridges of Mazanderan.
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36°01′N 53°03′E / 36.017°N 53.050°E / 36.017; 53.050