Wooden Hypostyle Mosques of Medieval Anatolia

Locals in Kastamonu Province call the Mahmut Bey Mosque the “mosque without nails,” and they mean it literally: the entire timber roof structure, built in 1366 by a member of the Candarid dynasty, was assembled without a single metal fastener, and the twelve octagonal wooden columns holding it up were each carved from a single tree trunk. That’s the kind of specific, verifiable detail that gets lost when this UNESCO listing gets summarized as a vague blend of “Islamic, Byzantine, and Seljuk influences.” It isn’t a blend of anything. It’s a distinct regional building tradition, and UNESCO only got around to recognizing it in September 2023, making it one of the newer entries on the World Heritage List rather than a site with decades of tourist infrastructure behind it.

The listing covers five specific mosques, not a loose regional style: the Grand Mosque in Afyonkarahisar (1272), the Aslanhane Mosque in Ankara (1290), the Eşrefoğlu Mosque in Beyşehir near Konya (1297), the Mahmut Bey Mosque in the village of Kasaba, Kastamonu Province (1366), and the Grand Mosque in Sivrihisar, Eskişehir Province (1274-75). All five share the same structural logic: a masonry exterior shell wrapped around a forest of wooden interior columns that carry a flat timber ceiling and roof, an approach that let Seljuk-era builders skip the domes and vaulting of contemporary stone mosques elsewhere in the Islamic world and instead lean into Anatolia’s abundant timber supply. The columns aren’t structural afterthoughts either. At Eşrefoğlu, fifty cedar columns topped with muqarnas capitals hold the roof, and local tradition claims each trunk was soaked in the waters of nearby Lake Beyşehir for six months before construction to season the wood, a detail no written record confirms but that every guide in Beyşehir will tell you anyway.

Aslanhane, in Ankara’s old Ulus quarter just below the citadel, is the easiest of the five to fold into a normal city visit. It’s a working mosque with no entrance fee, though there’s a small charge to use the restroom, and it’s a roughly 25-minute walk from Ulus metro station or a short taxi ride. Since it’s an active place of worship rather than a museum, there’s no fixed visiting-hours schedule aimed at tourists; the practical approach is to arrive about twenty minutes after one of the five daily calls to prayer, when the mosque empties out but stays unlocked, rather than showing up mid-prayer and hovering awkwardly at the door. Shoes off, shoulders and knees covered, headscarf for women entering the prayer hall.

The other four sites require more commitment. Eşrefoğlu sits in Beyşehir, about 90 minutes from Konya by road, and is worth the detour specifically because its mihrab breaks from the wood theme entirely: it’s set beneath a stone-and-brick dome and covered in turquoise and black tile, a jarring but deliberate contrast to the plain cedar forest surrounding it. Afyonkarahisar’s Grand Mosque, meanwhile, is the largest of the group, with forty wooden columns carrying nine naves under a beamed roof, each capital carved with stalactite muqarnas work similar in style to Aslanhane’s but on a bigger scale. Mahmut Bey, the nail-free mosque, is the hardest to reach, tucked in Kasaba village well outside Kastamonu’s town center, and has the thinnest tourist infrastructure of the five; go for the ceiling paintings, a dense geometric and floral pattern hand-applied directly onto unpainted wood, and don’t expect a gift shop or a ticket booth. Its original carved wooden door was stolen in 1972, recovered later, and now sits protected in the Kastamonu Ethnography Museum rather than in the mosque itself, so anyone hoping to see the door in situ will be disappointed.

My take, having pieced together the itinerary logic here: don’t try to do all five in one trip unless you’re already planning a long loop through central Anatolia that includes Konya and Ankara anyway. Afyonkarahisar and Sivrihisar sit closer to each other and to Ankara than to Konya, while Eşrefoğlu is a Konya-region detour on its own. Trying to chain all five into a single dedicated wooden-mosque tour means several hours of driving between towns that otherwise have little to offer a first-time Turkey visitor. Pick two, ideally Aslanhane for convenience and Eşrefoğlu for the tile-and-wood contrast, and treat the other three as a reason to come back rather than a box-ticking exercise on this trip. Since all five remain active mosques, check local prayer times before you go and never plan a visit around Friday midday, when the main weekly service will keep the prayer hall closed to sightseers for longer than usual.