South Khorasan Province Essentials

South Khorasan Province features a landscape of arid deserts and strategic mountain peaks defined by centuries of defensive architecture and water engineering. The region is home to historic mud-brick fortifications like Birjand and Forg Castles, and the ancient Kurit Dam, once the world’s tallest. Visitors can explore the geological Hole Rock formation, the mineral-rich Ferdows Hot Springs, and the exceptionally clear skies of the Seh Qaleh astronomy site. This collection highlights the province's transition from the Sassanid and Ismaili eras to its modern significance for celestial observation.

Ferdows Hot Spring

Mineral-rich thermal springs located near the ancient city of Tun. The facility includes separate pools and is known for its high concentration of sulfur, calcium, and magnesium.

Qlh tarykhy byrjnd

A Safavid-era mud-brick fortress built on the highest point of the old city. It features seven remaining circular towers and a central courtyard historically used for military drills and defense.

Qlh fwrg

An 18th-century citadel built during the Afsharid dynasty. Located on a cliffside, the structure features 18 watchtowers and a multi-level interior designed for both residential and military use.

Operation Eagle Claw Memorial

Operation Eagle Claw, known as Operation Tabas in Iran, was a failed operation by the United States Armed Forces ordered by U.S.

Hole Rock

Ferdows Hole-in-the-Rock is a natural geological formation 35 km west of Ferdows, South Khorasan Province, Iran.

Darreh Dam Lake

A historic masonry dam and reservoir dating back to the late Zand or early Qajar period. Situated in the Baqeran mountains, it serves as a primary water source for the surrounding region.

Korit historic dam

The Kurit Dam is an arch-gravity dam located 56 km away from Tabas, Iran near the village of Kurit.

Seh Qaleh astrology site

A desert observation point known for having some of the darkest and clearest skies in Iran. It is a major destination for astronomers due to its minimal light pollution and atmospheric stability.

Bazar byrjnd

A traditional commercial hub featuring Safavid and Qajar era architecture. The market consists of narrow alleys and caravanserais that historically linked trade between central Iran and the Indian subcontinent.

Qlh kwh qayn

A mountain-top fortification dating back to the Ismaili period. The site utilizes the natural steep terrain for defense and contains remains of stone walls, residential quarters, and water cisterns.

The castle Shah Dezh

A stone fortress situated on a peak near Nehbandan. Attributed to the Ismaili era, the site features extensive defensive walls built from local dark stone and ruins of ancient storage rooms.