Diyarbakır Walls & Hevsel Gardens: UNESCO Basalt on the T...

✓ Last reviewed: 29 September 2026 — Verified and updated by İlyas Bayrak, licensed Turkish guide (licence 070867), with the My Turkey Adventure editorial team. Prices, opening hours, transport fares and visa rules reflect the latest 2026 guidance. Quick Answer: The Diyarbakır Walls & Hevsel Gardens are a magnificent UNESCO World Heritage site, comprising one of the world's longest and best-preserved ancient defensive systems and the fertile gardens at their feet. They are absolutely worth visiting for their immense scale, layered history, and unique cultural landscape, offering a profound glimpse into the heart of southeastern Turkey. Fact Detail Location Sur district, Diyarbakır Province, Southeastern Anatolia, Turkey Period / Type Roman, Byzantine, Islamic (various dynasties), Ottoman / Fortification & Urban Agriculture What it is A 5.5 km circuit of black basalt city walls and the 8000-year-old agricultural gardens between the city and the Tigris River. UNESCO Status Inscribed on the World Heritage List in 2015 as "Diyarbakır Fortress and Hevsel Gardens Cultural Landscape". Entry Walking around the walls is free. Some towers and museums may have a small entry fee; confirm locally. Typical Visit Length 2-3 hours for the walls & gardens view; a full day for the Diyarbakır Old City (Sur) experience. Nearest Airport Diyarbakır Airport (DIY), with direct flights from Istanbul and Ankara. Driving Time from Nearest Big City About 1.5 hours (95 km) from Mardin; 2.5 hours (185 km) from Şanlıurfa. Best Months April-May and September-October, to avoid the extreme heat of summer. What Are the Diyarbakır Walls and Hevsel Gardens? The Diyarbakır Fortress and Hevsel Gardens Cultural Landscape is a remarkable historical and ecological ensemble located in the heart of Turkish Mesopotamia. This Diyarbakır UNESCO site consists of two interconnected parts: the formidable fortress and the life-giving gardens below. The fortress, known locally as the Kala , is a massive ring of b