Si-o-se Pol, Stone bridge in Isfahan, Iran
Si-o-se Pol is a stone and brick structure crossing the Zayandeh River in central Isfahan. The construction measures approximately 298 meters (978 feet) in length and nearly 14 meters (46 feet) in width, resting on thirty-three arches and offering pedestrians two levels for walking and pausing, with several open niches along its sides.
Construction began in 1599 under the reign of Shah Abbas I, who made Isfahan the new capital of the Safavid Empire. Architect Hussein Banna Isfahani directed the work and completed the crossing within three years in 1602.
The Persian name translates literally as "Bridge of Thirty-Three Arches," referencing the number of rounded spans carrying the structure across the river. On warm evenings, locals gather along the wide walkways to sit, talk, and watch the sunset over the water.
The two walking levels provide ample space for visitors arriving at any time of day, with the lower level closer to the water and slightly cooler. On sunny days, an early morning or late afternoon visit works well, when light illuminates the arches effectively.
The original design included separate paths for riders and pedestrians, allowing horses and people to cross the river simultaneously without interfering with each other. A small tea house now occupies the larger central arch, offering guests a resting spot directly above the water.
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