Osteria sul Lago in Festa
Two days of music, sport, and fun on the shores of the Mariver lake in Osteria Grande
About Osteria sul Lago in Festa
A village festival on the lake shores
Osteria sul Lago in Festa is one of the most beloved summer events in the hamlet of Osteria Grande, in the Municipality of Castel San Pietro Terme, in the province of Bologna. For two days, the park of the Mariver municipal lake—a body of water created from the redevelopment of an old industrial area and opened to the public in 1992—transforms into a large outdoor meeting space, where music, sport, art, culture, and good food coexist in an informal and family-friendly atmosphere.
What to find at the festival
The event focuses on community life: along the lake shores, there are food stalls with local flavors, a craft market, demonstrations and free trials of various sports disciplines, workshops for children, musical performances, and entertainment. The lake itself becomes the setting for special activities, such as motorboat races and evocative illuminated model boat exhibitions on the water.
- Food stalls with dishes from the Bologna and Emilia-Romagna region
- Creative and craft market
- Free trials and sports demonstrations (tennis, gymnastics, dog disciplines, and more)
- Workshops and entertainment for children, face painting
- Concerts, DJ sets, dance and percussion performances
- Final fireworks display reflected on the lake
A collaborative event
Osteria sul Lago in Festa is born from the collaboration between the Municipal Administration of Castel San Pietro Terme, the Pro Loco (Tourist Board), local businesses and producers of Osteria Grande, the local sports club, and the many volunteers from the hamlet. The event is part of the rich calendar of "Estate Castellana," the summer program that brings music, food and wine, shows, and sports throughout the municipal territory.
Who it's for
Thanks to free admission, the large green park, and the varied program, the festival is particularly suitable for families and those looking for a relaxing weekend outdoors. The atmosphere is typical of Emilia's village festivals: welcoming, convivial, and open to everyone, from children to sports and music enthusiasts.
Osteria sul Lago in Festa — edition 2026
The 2026 edition of Osteria sul Lago in Festa is scheduled for Saturday, July 18, and Sunday, July 19, 2026, at the Mariver municipal lake park, in the Osteria Grande hamlet of Castel San Pietro Terme (BO). The dates have been officially announced in the "Estate Castellana 2026" calendar presented by the Municipality.
As every year, the festival will feature food stalls, a craft market, sports activities, workshops and entertainment for children, live music, and the final fireworks display over the lake, with free admission.
The detailed program, including schedules, performances, and activities, will be published by the Pro Loco of Castel San Pietro Terme and the Municipality in the weeks preceding the event.
Programme Osteria sul Lago in Festa 2026
The detailed program for the 2026 edition will be announced by the Pro Loco and the Municipality of Castel San Pietro Terme in the weeks before the festival.
Based on recent editions, the event typically unfolds over two days with the following structure:
- Opening in the afternoon with food stalls and craft market
- Free trials and sports demonstrations (tennis, gymnastics, dog disciplines)
- Workshops and entertainment for children, face painting
- Activities on the lake (motorboat races, illuminated model boat exhibition)
- Dance and percussion performances, DJ sets, and concerts in the evening
- Final fireworks display reflected on the water
Times and guest names will be communicated once the program is released.
Highlights Osteria sul Lago in Festa 2026
The most anticipated moments are the activities on the Mariver lake—motorboat races and illuminated boat exhibitions—and the traditional final fireworks display reflected on the water, as well as the live evening music.
Prices Osteria sul Lago in Festa 2026
Practical information — Osteria sul Lago in Festa
Where
Parco del Laghetto Comunale Mariver, viale Lombardia, Osteria Grande hamlet, Castel San Pietro Terme (BO).
How to get there
By car: Osteria Grande is located along the Via Emilia (SS9), easily reachable from the A14 highway exit of Castel San Pietro Terme. By train: Castel San Pietro Terme station is on the Bologna–Rimini line, with bus connections to the hamlet.
Admission and services
Free admission. Food stalls, children's areas, and a large park are available. For information: Pro Loco Castel San Pietro Terme, tel. +39 051 6954135, [email protected].
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Where does it take place — Osteria sul Lago in Festa
Parco del Laghetto Comunale Mariver, Osteria Grande
Viale Lombardia, 40060 Castel San Pietro Terme