Krupa. The Holy spring of St. Nicholas the Wonderworker.

This spring, known as the powerful gelokren (a spring forming a swamp), has long been revered as a saint. According to legend, children with sore eyes, washed with water from a spring at dawn, miraculously healed.

Thanks to the efforts of the Orthodox Church, the spring has gained fame as a place dedicated to St. Nicholas the Wonderworker. Locals also call it "Nobleman's," but the clergy emphasize that nobleman only knew where to settle in order to enjoy the healing properties of the spring.

The place where the spring is located is rightfully considered a protected area. Surrounded by centuries-old willows and lime trees, not far from the Usha River, numerous spring streams are gushing from the ground, forming a whole field of the purest water. Seven of the most powerful streams are enclosed in wells and diverted through pipes. All of them merge into a single stream that flows through a font set up in a chapel under a golden dome and flows into the Usha River. Interestingly, water from different sources has its own unique taste.

Carved wooden porches with icons are installed above each well. Laboratory tests conducted in 2015 confirmed the high physico-chemical properties of water in 34 indicators. The water from the spring has long been used to treat eye, stomach and childhood diseases, and still has not lost its healing power.

The complex has a seven-ton boulder in memory of Prince Vladimir, as well as a bell tower and gazebos for recreation.

Especially many pilgrims come here on the memorial day of Prince Vladimir (July 28), on the feast of Epiphany (January 18) and in May, on the patronal feast of St. Nicholas the Wonderworker. Anyone can pray in the open air, plunge into the consecrated font, draw water from the holy spring and submit notes on the health and repose of loved ones.