Located in the settlement of Makri, it was discovered during World War I by the archeologist G. Balakakis. In its interior, there are steps that lead in 3 chambers, where several statuettes and earthen utensils, which indicate its inhabitance during the Neolithic period, have been found.
- Evros Prefecture / Nature / Caves
In Didymoticho, where Kale Hill stands, are located tens of caves that have been used as residencies. This is where King Charles XII of Sweden was imprisoned, when he was captured during the wars in northern Europe.