A small chapel and a spring with healing power are located at the northeastern foot of Peak Golyamo gradishte, about 2 km southwest of Malko Tarnovo.
In Strandzha Mountain – the chapels are called “monasteries”, so the small chapel is known as the Monastery “St. Trinity.
In 1865, a girl named Radka dreamed that there was a monastery in this place. Then the people decided to dig up the place and found out that there was actually a church here.
To the chapel “St. Trinity “has a fountain.
A spring with healing power is located about 30 m northwest of the chapel. Near the well itself, worshipers put parts of their clothing (pieces of cloth, socks, threads, etc.). They believe that in this way their disease will leave and when they drink from the healing spring, they will receive healing.
The custom is a remnant of pagan times, but it is said that the one who came with deep faith will receive what he came for.