The largest castle ruin on the Rhine, built in 1245 and later expanded into a vast fortress with extensive underground tunnels and casemates. French troops blew up much of the structure in 1797, leaving atmospheric ruins that visitors can explore, including passages open with a flashlight.
Burg Rheinfels above St. Goar is the largest castle ruin on the entire Rhine, originally built in 1245 and expanded over centuries into a sprawling fortress before French troops blew up much of the structure in 1797, leaving the atmospheric ruins visible today. Unlike restored castles elsewhere in the valley, Rheinfels retains the raw, roofless character of an actual ruin, with crumbling walls, open courtyards, and grass growing between the stones. The highlight for most visitors is the network of underground tunnels and casemates, some of which can be explored with a flashlight through unlit, low-ceilinged passages that once served as defensive galleries and storage areas, giving a genuinely adventurous feel compared to the more manicured castle tours elsewhere in the region. A small museum near the entrance covers the castle's history and displays models showing how the fortress looked before its destruction, useful context given how much imagination the ruins otherwise require. From the upper battlements, the site offers commanding views down over St. Goar and across the Rhine to St. Goarshausen and the Loreley cliff further upstream. A full visit, including the tunnels, takes 1.5 to 2 hours; visitors who skip the tunnel passages can manage in about an hour. The castle is reached by an uphill walk of about 20 minutes from the St. Goar train station and Rhine ferry landing. Weekday mornings are quietest, and bringing a proper flashlight, rather than relying on a phone, makes the tunnel sections considerably easier to navigate.
| Admission | Adult €6 (approx $6.50), reduced €4 (approx $4.30) · Child €3 ages 6-14 (approx $3.25), family ticket €13 (approx $14), free under 6 |
|---|---|
| Hours | March-October daily 10AM-6PM; November-February Friday-Sunday 10AM-3PM; last admission one hour before closing |
| Typical visit | 1.5-2 hours including the tunnel passages |
| Best time | Weekday mornings, bringing a flashlight for the underground galleries |
| Getting there | Uphill walk of about 20 minutes from St. Goar train station and Rhine ferry landing |
| Address | Schlossberg, 56329 St. Goar, Germany |
Weather through the year in Rhineland-Palatinate
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Average daytime temperature in °C. Figures are for Rhineland-Palatinate.
Location
Schlossberg, 56329 St. Goar, Germany
50.1543, 7.7046 View on map
Highlights
- Largest castle ruin on the Rhine, expanded from a 1245 fortress
- Underground tunnels and casemates explorable with a flashlight
- Small museum with models of the pre-1797 fortress
- Battlement views over St. Goar and the Loreley cliff
Tips for visiting
- Bring a proper flashlight for the darker underground tunnel sections
- Wear sturdy shoes, as the ruins have uneven and sometimes steep surfaces
- Visit weekday mornings for a quieter walk through the tunnels
- Combine with the passenger ferry to St. Goarshausen and the Loreley
When to visit
Weekday mornings offer the quietest visit, with fewer people navigating the narrow underground tunnel passages.
Accessibility
The ruined terrain, uneven stone surfaces, and unlit underground tunnels make Burg Rheinfels largely unsuitable for wheelchair users or visitors with limited mobility.
Frequently asked questions
How long does a visit to Burg Rheinfels take?
A full visit including the underground tunnels takes 1.5 to 2 hours; skipping the tunnels shortens this to about an hour.
Is it worth it for kids?
The tunnels and ruined battlements make for an adventurous visit that most children enjoy, though supervision is needed in the dark passages.
Is photography allowed?
Photography is permitted throughout the ruins and tunnels.