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Intro

The small medieval town of Diessenhofen lies in Thurgau right on the Rhine, which forms the border with Germany here. From the opposite riverbank, the town has a striking silhouette, with its high church tower and Unterhof Castle.

Diessenhofen at a glance

History has very much left its mark on Diessenhofen. Once inhabited by the Romans, the remnants of the former watchtowers are still there today to tell this tale. The impressive medieval old town, which includes Unterhof Castle, is surrounded by the largely preserved town wall. In 1460, the Confederates took control of the formerly independent town. Later, during the Napoleonic Wars, it was occupied by Austrian, Russian and French troops and – above all during the Second World War – suffered due to the border situation. The buildings that define today’s townscape mainly date back to the Middle Ages and Baroque era. The Siegelturm clock tower, town hall, Oberhof Castle and the two Amtshäuser administrative buildings are sights to be seen. 

It is also worth wandering through the pretty Marktgasse. The houses on this street all follow the same building line, which ensures a magnificent view along the entire street and makes for a lovely photo. The moat, though now filled in, and the Siegelturm separate the old town from a slightly newer suburb. The Geisslibach river runs through the former mill district before flowing into the Rhine below the Castle. 

Diessenhofen lies between Schaffhausen and Stein am Rhein, and entices visitors with a boat trip and walks along one of the most magical sections of the Rhine.

 

ISOS
ISOS is the Federal Inventory of Swiss Heritage Sites of national importance. The inventory is maintained by the Federal Office of Culture (FOC) and lists the most significant settlements in Switzerland. Today, some 1,200 places are included in the inventory, from hamlets right through to cities. The inventory provides information on the development and identity of the settlements listed in it, thereby contributing to the preservation of architectural diversity in Switzerland and promoting both sustainable planning and a high-quality Baukultur.

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Overview
Diessenhofen
Eastern Switzerland / Liechtenstein
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  • Diessenhofen Detektiv-Trail Diessenhofen mit Detektiv Dachs

    Sniffer dogs accompany Detective Badger on his mystery adventure and discover surprising and... from CHF 8.40
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    valid: 21.10.2026 - 31.12.2026

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  • Diessenhofen Detective Trail in Diessenhofen

    Solve the 4 km long Detective Trail by solving puzzles in Diessenhofen's old town and by the Rhine.... from CHF 9.50
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    valid: 21.10.2026 - 19.10.2027

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  • Schlatt TG Enduro Motocross for Adults

    This motocross course near Schaffhausen is perfect for you if you love riding motorcycles and want... from CHF 360
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    valid: 24.10.2026 - 25.11.2026

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  • Unterstammheim Team Event - Outdoor Cooking Over an Open Fire

    You cook and eat as a team by the open fire and spend pleasant hours in the forest. You can choose... from CHF 745
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    valid: 03.11.2026 - 28.02.2027

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  • Schaffhausen Munotführung Erlebnisrundgang am Abend

    Dress warmly and accompany the Munot guardian Sabine Hinz and her husband Andi on a tour of the... from CHF 40
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    valid: 13.11.2026 - 21.11.2026

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  • Stein am Rhein Gourmet trail Stein am Rhein self-guided

    You visit the old town of Stein am Rhein on your own. Along the way, you'll enjoy a wine aperitif... from CHF 85
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    valid: 30.10.2026 - 15.10.2027

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  • Stein am Rhein Stein am Rhein gourmet trail

    Enjoy the Genusspfad Stein am Rhein alone, as a couple or as a group. Every Thursday and Friday you... from CHF 85
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    valid: 30.10.2026 - 15.10.2027

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  • Schaffhausen City Pass Schaffhausen

    With this City Pass, you can use all public transport in Zone 810 of the Ostwind fare network for... from CHF 6.60
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    valid: 21.10.2026 - 18.04.2027

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  • Stein am Rhein Wine hike Stein am Rhein

    Whether you are a connoisseur or an adventurer, our wine hike has a route for everyone. Discover the... from CHF 38
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    valid: 21.10.2026 - 23.12.2026

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  • Schaffhausen Wellness Park Ticket in Schaffhausen

    The textile-free wellness park is an oasis of tranquility with a diverse sauna landscape and... from CHF 29
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    valid: 21.10.2026 - 19.10.2027

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Travel information: Diessenhofen