
From Amorium to the Sultan Mountains, the Old Road of Eastern Afyon
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When people think of Afyonkarahisar, they first picture the castle on its black rock and the city around it. This route instead heads to the east of the province, to the wide plain between the Emir Mountains and the Sultan Mountains, and shows that this land was a passage for centuries. Four stops present, in order, a history lived on the same plain, from one of the most important cities of Byzantium to the Seljuk caravan road. The day begins at Hisarköy, east of Emirdağ, on the mound of the ancient city of Amorium. A Byzantine army headquarters and a city that gave emperors to the throne, Amorium never regained its former strength after the great siege of 838. The second stop is the Kırkgöz Bridge on the Akarçay near Bolvadin; built in 1150 for a Byzantine emperor and extended by Mimar Sinan in the sixteenth century, the bridge was the crossing of the old road that linked Istanbul to the south. The third stop is Lake Eber, where the Akarçay ends; with its reeds, floating islets and birds it tells the story of the plain's water. The day ends in the town centre of Sultandağı at the İshaklı Caravanserai, in the courtyard of a Seljuk han dated 1249.
The order comes from geography. Amorium is the northernmost point of the route; from there you descend south to Bolvadin. Kırkgöz and Eber sit on the same line of the Akarçay, and following the direction of the river gives a natural passage from the bridge to the lake. Sultandağı lies southeast of the lake, at the foot of the mountain. In this way the road is completed without turning back. The theme follows the same order: Amorium tells of settlement and defence, Kırkgöz and İshaklı of the road and of travel, and Eber, between them, shows the plain itself. The road crossing Kırkgöz had linked Istanbul to the south as a caravan route since the Roman period, and in the Ottoman period pilgrim caravans used it as well. The İshaklı Caravanserai, for its part, was one of the stopping places on the Seljuk road running from Afyon via Akşehir to Konya. The ruins of Amorium, meanwhile, were forgotten for centuries, and their location was only identified again in the nineteenth century through the research of a traveller.
The route is a long day by car. Kırkgöz is about seven kilometres from Bolvadin, and Eber is just as close to the town. Sultandağı lies at the sixty-eighth kilometre of the highway between Afyon and Konya, and the return trip uses this road. Every stop involves some walking, but none of it is a long trail. At Amorium you walk on loose and uneven ground in an open excavation area; on the bridge the parapet is low; the lakeshore can be muddy.
There are a few things to keep in mind. The water level of Lake Eber changes greatly from year to year; it has been reported that the lake dried up completely in a drought, so plan the lake stop after checking the water situation. There is almost no shade at Amorium. In excavation areas you do not step on the remains, and you do not move reused stones from their place. Bring comfortable shoes, a hat, water and binoculars for the birds.
Sources
- Kültür Portalı, Amorium Antik Kenti, https://www.kulturportali.gov.tr/turkiye/afyonkarahisar/gezilecekyer/amorium-antik-kenti
- TDV İslam Ansiklopedisi, Ammuriye, https://islamansiklopedisi.org.tr/ammuriye
- Afyonkarahisar İl Kültür ve Turizm Müdürlüğü, Antik Kentler, https://afyon.ktb.gov.tr/TR-63499/antik-kentler.html
- Afyonkarahisar İl Kültür ve Turizm Müdürlüğü, Köprüler, https://afyon.ktb.gov.tr/TR-63503/kopruler.html
- Anadolu Ajansı, Mimar Sinan'ın elinin değdiği köprü Kırkgöz, https://www.aa.com.tr/tr/turkiye/mimar-sinanin-elinin-degdigi-kopru-kirkgoz/1635881
- CNN Türk, 868 yıllık Kırkgöz Köprüsü hala ihtişamını koruyor, https://www.cnnturk.com/yasam/868-yillik-kirkgoz-koprusu-hala-ihtisamini-koruyor?page=1
- Afyonkarahisar İl Kültür ve Turizm Müdürlüğü, Göller, https://afyon.ktb.gov.tr/TR-63440/goller.html
- Hürriyet Daily News, One of Turkey's largest freshwater lakes dries up completely due to drought, http://www.hurriyetdailynews.com/photo-one-of-turkeys-largest-freshwater-lakes-dries-up-completely-due-to-drought-138057
- Kültür Portalı, İshaklı Han, https://www.kulturportali.gov.tr/turkiye/afyonkarahisar/gezilecekyer/ishakli-han
- TDV İslam Ansiklopedisi, İshaklı Kervansarayı, https://islamansiklopedisi.org.tr/ishakli-kervansarayi
- Afyonkarahisar İl Kültür ve Turizm Müdürlüğü, Kervansaraylar, https://afyon.ktb.gov.tr/TR-63496/kervansaraylar.html
- turkishhan.org, Sahip Ata Han, http://www.turkishhan.org/sahipata.htm
- Wikipedia, Amorium, https://tr.wikipedia.org/wiki/Amorium
- Wikipedia, Kırkgöz Köprüsü, https://tr.wikipedia.org/wiki/Kırkgöz_Köprüsü
- Wikipedia, Eber Gölü, https://tr.wikipedia.org/wiki/Eber_Gölü
- Wikipedia, Lake Eber, https://en.wikipedia.org/wiki/Lake_Eber
- Wikipedia, Bolvadin, https://tr.wikipedia.org/wiki/Bolvadin
- Wikipedia, Sultandağı, https://tr.wikipedia.org/wiki/Sultandağı
Route Stops

Amorium Ancient City.
Begin the day at Amorium, the northernmost point of the route, in Hisarköy about thirteen kilometres east of Emirdağ. The Kültür Portalı notes that the city lies some seventy kilometres northeast of Afyonkarahisar. Before you set out, check the visiting conditions of the excavation area with the provincial culture and tourism directorate or the museum directorate. When you arrive in the village, first take in the view; the hill rising in the middle of the plain is the mound of the city known as the Upper City. This mound is the centre of the earliest settlement on the site, and traces of Byzantine city walls can still be made out along its edges. The Lower City was enclosed by a second line of walls that surrounded the whole town. Starting your walk at the foot of the mound and following the line of the walls is the easiest way to understand the two-tiered plan of the city. The Provincial Directorate of Culture and Tourism states that the city was called Aura in the Hittite period, while the name Amorium belongs to the Classical age. Almost no remains from the Hellenistic and Roman periods can be seen on the site; the clearest trace of those eras is the coinage the city struck in its own name. According to the Kültür Portalı, Amorium was among the first cities in the region that the Roman Senate allowed to mint their own money. The city's golden age, however, was the Byzantine period. Under Emperor Zeno, at the end of the fifth century, the city walls were built. After 640 Amorium became the headquarters of the Byzantine army in Anatolia and then the capital of the Anatolikon Theme. In the ninth century the dynasty that gave three emperors to the Byzantine throne also came from this city; the provincial directorate writes that this family was known as the Phrygian dynasty. But the same fame also prepared the city's fall, and in 838 the army of the Abbasid Caliph al-Mutasim besieged and took it. The TDV İslam Ansiklopedisi relates that the city was devastated again in 931 by the emir of Tarsus and gradually lost its importance after that. In later centuries locals called the place Hergan Kale, and the location of the ruins was only identified again in the nineteenth century through the research of the traveller William Hamilton. As you tour the structures opened by the excavations, follow the information panels. According to the Kültür Portalı, in 2001 a Byzantine bath dated between the sixth and ninth centuries and an unpaved street were uncovered in the area of the Lower City known as the Large Building. Excavations began in 1987 with a survey by R. Martin Harrison of Oxford and were continued by Chris Lightfoot between 1993 and 2009. Since 2014 the work has been directed by Zeliha Demirel Gökalp of Anadolu University. The ground in open excavation areas is loose and uneven; do not go near the edges of the trenches and do not step on the remains. For photographs, a wide angle from the top of the mound looking towards the Lower City best conveys the size of the city. Morning light strikes the plain from the side, so the wall lines stand out more clearly. There is hardly any shade on the site, so do not leave your hat and water in the car. From here, drive south towards Bolvadin and continue to the Kırkgöz Bridge on the Akarçay.
Source: Kültür Portalı, Amorium Antik Kenti; Afyonkarahisar İl Kültür ve Turizm Müdürlüğü, Antik Kentler; TDV İslam Ansiklopedisi, Ammuriye.

Kırkgöz Bridge (Bolvadin)
The Kırkgöz Bridge stands on the Akarçay, the river that flows into Lake Eber, about seven kilometres outside the town centre of Bolvadin. Sources give the distance as between six and seven kilometres, and the bridge is reached by a short drive from the town centre. Because the bridge now lies off the main road, its surroundings are quiet and you can take in its length on foot without hurrying. First stand at the end of the bridge and look along its whole length. According to a report by CNN Türk, the bridge is about two hundred metres long. Its name means forty arches, but the number of arches has changed over the centuries. According to Anadolu Ajansı, the bridge was built with forty arches in 1150 for the Byzantine Emperor Manuel I Komnenos. In the sixteenth century, during the campaigns of Sultan Süleyman the Magnificent, Mimar Sinan extended the bridge to the north and raised it to sixty-four arches. Today sources give the number of surviving arches as fifty-seven. Wikipedia writes that some arches were removed during a regulation of the riverbed and that some are buried under the soil. So if you try counting the arches, do not be surprised if you reach a different total. As you walk, pay attention to the shape of the arches. The arches in the middle are wider and pointed, while towards the ends they become smaller and flatter. The stones also reveal the layers of the bridge. The Provincial Directorate of Culture and Tourism states that the southern section was built of marble and dressed basalt, while the northern section is Sinan's addition. In the piers you can see reused architectural fragments from the Hellenistic, Roman and Byzantine periods, even gravestones. Looking for these pieces turns the bridge into a small open-air archive. According to Wikipedia, the stonework is more regular in the northern part, which dates from the Ottoman period; compare the two ends and see the difference for yourself. Sinan also had a prayer platform added to the bridge, along with a marble staircase for going down to the water. The bridge's inscription is no longer in place; Wikipedia relates that it once fell into the river and was later found and moved to the museum. Speaking to Anadolu Ajansı, the historian Mustafa Güler says that since the Roman period the bridge was one of the important crossings of the caravan road running south from Istanbul. According to Güler, in the Ottoman period the same road was also the route of pilgrim caravans, and the bridge was a constantly busy crossing point. For photographs, shoot the bridge from the side so that the row of arches stretches out like a line; afternoon light warms the colour of the stones. When you walk on the bridge, remember that the parapet is a single low course, and do not go too close to the edge. Do not climb on the stones or move the reused pieces, because the bridge already bears damage left by treasure hunters. From here, follow the direction in which the Akarçay flows and continue to the shore of Lake Eber.
Source: Anadolu Ajansı, Mimar Sinan'ın elinin değdiği köprü Kırkgöz; CNN Türk, Kırkgöz Köprüsü; Afyonkarahisar İl Kültür ve Turizm Müdürlüğü, Köprüler; Wikipedia, Kırkgöz Köprüsü.

Lake Eber.
Lake Eber, the final stop of the Akarçay, stretches between the districts of Bolvadin, Çay and Sultandağı. Wikipedia writes that the lake is seven kilometres from Bolvadin. The lake lies in a closed depression known as the Akarçay Basin, with the Emir Mountains rising to the north and the Sultan Mountains to the south. The surface of the lake is about 967 metres above sea level. The Provincial Directorate of Culture and Tourism gives its area as 150 square kilometres, while Wikipedia gives 125 square kilometres; the difference comes from the lake's area changing from year to year. Before you come here, be sure to check the state of the water. Hürriyet Daily News reported that the lake dried up completely during a drought. English Wikipedia, however, notes that water had returned to the lake as of 2020. So the view you find can vary greatly with the season and with that year's rainfall. When you reach the shore, the first thing you see is usually not water but reeds. According to Wikipedia, most of the surface is covered with red reeds that reach five or six metres, which is why from a distance the lake looks like a meadow. The floating islets that locals call kopak also form from the roots of these reeds, which break away from the soil. Reeds and bulrush have been a livelihood for the surrounding villages for centuries and are used to make mats, cushions and paper. According to the provincial directorate, carp and pike live in the lake. Eber is also an important bird area. English Wikipedia reports that BirdLife International identified the lake as an Important Bird Area in 1989. The Turkish article lists the pygmy cormorant, the spoonbill, the Dalmatian pelican and the purple heron among the species that come to the lake. Turn your binoculars to the edges where the reed beds meet open water, because waterbirds are seen most often along this boundary. Keep quiet so as not to disturb the birds, and do not walk into the reeds. The lake was declared a first-degree natural site in 1992. The provincial directorate also states plainly that the lake has suffered from pollution, which makes it all the more important to leave nothing behind on the shore. When the water rises above a certain level, the surplus is carried by a channel to the lower-lying Lake Akşehir. For photographs, choose early morning or the hours close to sunset; in clear weather the ridge of the Sultan Mountains appears behind the reed beds. The ground on the shore can be muddy and soft, so wear suitable shoes and stay on firm ground. From here, head southeast to the town centre of Sultandağı at the foot of the Sultan Mountains.
Source: Afyonkarahisar İl Kültür ve Turizm Müdürlüğü, Göller; Hürriyet Daily News, Lake Eber dries up; Wikipedia, Eber Gölü; Wikipedia, Lake Eber.

Işıklar Caravanserai.
The last stop of the route, the İshaklı Caravanserai, stands right in the middle of the town centre of Sultandağı. The old name of Sultandağı is İshaklı, and the caravanserai takes its name from it; the building is also known as the Sahip Ata Han. The TDV İslam Ansiklopedisi writes that the building lies on the road between Akşehir and Çay, twenty-five kilometres from Akşehir. You recognise the caravanserai at once by its long, thick stone walls. According to the encyclopaedia, the thick enclosure walls and the buttress towers on them fortify the building almost like a castle. Before going inside, linger a little at the facade. The outer walls are supported by square and half-cylindrical buttresses. The main portal opening onto the courtyard is crowned by a hood with seven rows of muqarnas, and its top is ruined today. Look at the polygonal niches on either side of the portal and the small shell-shaped squinches in the upper corners. The inscriptions tell when and by whom the han was built. According to the TDV İslam Ansiklopedisi, the inscriptions on the two portals show that the building was commissioned in September 1249, in the first years of the reign of the Seljuk Sultan İzzeddin Keykavus II, by Vizier Sahip Ata Fahreddin Ali. The encyclopaedia presents this han as the oldest dated building commissioned by Sahip Ata. Sahip Ata was one of the statesmen of the Seljuk period who commissioned the most buildings; turkishhan.org writes that he also built the İnce Minareli Medrese in Konya and the Gök Medrese in Sivas. Once in the courtyard, look at the small kiosk mosque raised above the ground in the centre. The Kültür Portalı states that this building is the last example of the Seljuk kiosk mosques standing free in the middle of a courtyard. If you look carefully, you will see that the kiosk mosque sits askew to the main axis of the han, because it was aligned with the qibla direction. The encyclopaedia writes that reused pieces of Roman and Byzantine sarcophagi were built into parts of its western wall. Across the courtyard stands the covered section known as the winter hall. This section is a nearly square hall with five naves covered by barrel vaults, and its arches rest on sixteen stone piers. The central nave is wider and higher than the others, and the lantern dome in the middle of its vault once let light into the hall. The interior is dim; wait at the door for a moment until your eyes adjust, then follow the rows of piers. The building has been repaired many times over the centuries. The encyclopaedia writes that the han was repaired around 1885, used as a granary until 1925 and restored by the General Directorate of Foundations in 1964. The Kültür Portalı notes that the rooms around the courtyard largely collapsed in the mid-1960s and that traces of these rooms were identified in excavations in 2003. For photographs, the west-facing facade of the han looks best when it catches the afternoon light. Check the visiting conditions before you go. The day ends here; the return to Afyonkarahisar is along the highway between Afyon and Konya, on which Sultandağı lies.
Source: TDV İslam Ansiklopedisi, İshaklı Kervansarayı; Kültür Portalı, İshaklı Han; turkishhan.org, Sahip Ata Han.
