Mount Lifos (İlifos/Kifos), one of the prominent elevations around Mount Erciyes south of Kayseri, is notable for the remains of historical settlements on its summit. The mountain has two prominent peaks, tapering to the south and north. As one descends towards the center, this section becomes increasingly flat, taking on the appearance of a vast crater plateau. This plateau once housed a settlement entirely surrounded by city walls.

The total length of the surrounding walls is approximately 1050 meters, and their foundations are still visible in places. Today, the wall remains, buried underground and reaching a height of approximately 1 meter, are 1,5 meters thick in some sections and 2 meters in others. Based on the ruins visible on both the interior and exterior, it is understood that the original height of the walls was 3–4 meters. Among the defensive elements, the towers positioned approximately every 66 meters are noteworthy; a total of 16 towers surrounded the settlement. According to measurements, this wall system, measuring 350 meters on the long side and 212,5 meters on the short side, protected a total area of ​​74.375 m², or approximately 7,4 hectares.

The largest of the settlement's two peaks is located to the north, overlooking Kayseri. The distance between the two peaks is approximately 250 meters, and the structures are arranged along the slopes of these two elevations, starting from the base of the city walls and running from top to bottom and west to east. More than a hundred structures have been identified inside. While most of these are arranged as small single-room units, the large multi-room structures in the center, especially in the eastern section, indicate a more complex function. The largest of these multi-room structures is located near the east.

Four water cisterns have been found on the eastern slope, closest to Mount Erciyes and at the lowest point of the mountain. The constant water flow within two of these, as well as within the large structure to the east, suggests that the pipeline system used here remained active for a long time. This robust water infrastructure indicates that the settlement was not merely a short-term military base but also a center that supported long-term life.

Unfortunately, most of the structures have been subjected to both natural destruction and the devastation of treasure hunters over the centuries. Despite this, the city walls, bastions, cisterns, and traces of construction clearly demonstrate that this was a planned and orderly settlement.

Historically, the precise period to which this settlement dates is unknown. However, its architectural features and layout bear strong resemblance to late Roman-Byzantine settlements. Built on mountaintops, these fortified areas were often used both as military observation and defense points and as refuge centers in times of danger. The presence of Roman-Byzantine garrisons and monastic settlements in the high mountain areas around Kayseri makes Mount Lifos a likely link in this system.

In addition, in the modern period, for the first time in Türkiye, the principles of "Mountain Areas Management (MOAM) and Planning" were developed in this region and the Lifos settlement was also examined within the scope of the first TÜBİTAK project on Mount Erciyes.