When Light Meets Water: Slovenia’s Gregorjevo Tradition Welcomes Spring

Across several Slovenian historic towns, one of the country’s most charming folk traditions returns each March: floating small illuminated boats along rivers and streams on the eve of St. Gregory’s Day (11 March). Known as Gregorjevo, the celebration symbolically welcomes the arrival of spring and longer daylight.

At the heart of the custom lies a simple yet powerful idea: throwing the light into the water. What is the story behind? Before the introduction of electric lighting, craftsmen and artisans spent long winter days working by the dim glow of candles, tallow lamps or oil lanterns. St. Gregory’s Day once coincided with the first day of spring according to the old calendar, marking the moment when natural daylight became sufficient for work again. As a symbolic farewell to artificial light, artisans would place small flames into floating objects and release them into nearby rivers.

Over time, the ritual developed into a beloved community tradition. Apprentices and young people crafted miniature floating houses and boats called “gregorčki,” made from wood, bark, paper or other available materials, often with a candle or small light placed inside. As dusk falls, these glowing creations drift downstream, illuminating the water and celebrating the coming of brighter days.

Today, children continue the tradition, crafting gregorčki and connecting with the cultural heritage of their towns.

Tržič: “vuč u vodo”

In the Alpine town of Tržič, the tradition is known as "vuč u vodo" (“throwing the light into the water”). Historically, shoemakers’ apprentices floated resin-coated wood shavings down the Tržiška Bistrica River. Today, children from local kindergartens create small floating lanterns and release them into the river during a lively community celebration that also includes cultural performances.

A unique element of the Tržič tradition is the dramatic swinging of burning brooms along the riverbank, creating spectacular arcs of light. The town’s museum also holds the largest collection of artistically crafted gregorčki models.

Radovljica, Kropa and Kamna Gorica

In the ironworking villages of Kropa and Kamna Gorica near Radovljica, the floating lights are known as barčice (little boats). Every year on 11 March at dusk, residents gather by the water to release them, greeting spring in a tradition that dates back to the centuries-old blacksmithing heritage of the area.

Kranj: a sustainable celebration

In Kranj, gregorčki are floated through the dramatic canyon of the Kokra River. The celebration carries a strong sustainability message: participants are encouraged to build their floating creations from natural materials, and the boats are collected from the water after the event.

Ribnica and beyond

The craft town of Ribnica also marks the eve of St. Gregory’s Day by floating gregorčki along the Bistrica River near Ribnica Castle, honouring the town’s rich tradition of woodworking and handicrafts.

The custom is also kept alive in other towns, including Slovenske Konjice and Kostanjevica na Krki, where glowing miniature boats drift along streams and rivers as communities gather to celebrate the turning of the seasons.

More than a picturesque ritual, Gregorjevo reflects Slovenia’s deep connection to craft heritage, community life and the rhythms of nature. As the small lights glide across the water, they carry a timeless message: winter is fading, spring is on its way, and brighter days lie ahead.

Cover photo: Visit Ribnica

This article is part of an exciting partnership with the Association of Historical Towns of Slovenia. The partnership aims to bring you captivating stories from the historical towns nestled across Slovenia. As a regular feature of News from Slovenia, delivered to our valued subscribers, readers can expect to discover exciting stories from these timeless cities in the coming months. The contents and photos for this article were provided by the Association of Historical Towns of Slovenia.

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