The Holy Mount of Grabarka is considered the single most significant place for the Polish Orthodox Church. The site has been considered sacred for more than 700 years, mainly due to two legendary events in the Grabarka area. The most important monument on the mountain is undoubtedly the Grabarka Convent. Built in the 18th century to commemorate the sudden end of a cholera plague, the small wooden church managed to withstand the test of time, becoming the most important place for the local Orthodox community. Unfortunately, in 1991 the chapel was set on fire and was almost completely destroyed. Recently the convent has been meticulously restored following the original design.

Other than the Grabarka Convent, the site is also famous for its numerous wooden crosses customarily brought by believers, who through such action hope to win salvation and to restore health. Also worth seeing is the nearby convent of St. Marta and Maria. When it was built in 1947 the chapel was very small and inhabited by only 8 sisters. Today the church much larger, although it is closed for visitors as the sisters wish to protect their privacy from the hoards of tourists and pilgrims.

The Holy Mount of Grabarka is also a centre of numerous Orthodox holidays and feasts, most importantly the Feast of the Transfiguration of the Lord, which each August 19 draws about 100 000 believers from all over Europe. Most of them arrive at Grabarka by foot, some of them bearing the traditional wooden crosses. Prior to the celebrations the weary travellers can have a sip of the healing water from the nearby Miraculous Pond, which is said to contain the water from the holy stream springing from the centre of Grabarka Mountain.