What are all seven castles in the Valley of the Seven Castles?

The Valley of the Seven Castles (Vallée des Sept Châteaux) refers to the concentration of medieval fortifications along the Eisch river valley: Mersch Castle, Schoenfels Castle (a ruin on a cliff above the valley), Hollenfels Castle (a surviving castle now operated as a youth hostel), Ansembourg Old Castle and New Castle, Septfontaines Castle (a ruin in the village of Septfontaines), and Koerich Castle (a ruin in the western part of the valley). Depending on how the count is made — and whether the Old and New Ansembourg castles count as one or two — the exact number varies between seven and nine by different reckonings. The 'seven' in the name is somewhat traditional rather than strictly precise.

Why does the GYG tour description mention 'exclusive access' but the Includes section shows entrance fees excluded?

This is a genuine discrepancy in the GYG product listing, and it is the reason this page frames the tour as an exterior/grounds visit rather than an interior one. The tour's marketing copy uses 'exclusive access' language, while the standardised GYG Includes/Excludes section clearly marks entrance fees as excluded (✗). In cases where the two contradict, the Includes/Excludes section is the contractually reliable field — GYG uses it for booking guarantee purposes, while the narrative description can be aspirational or inconsistently updated. Visitors should treat the exterior viewpoints as the confirmed element of the Ansembourg visit, with any interior access as a possible but not guaranteed addition.

Ansembourg Castle

Château d'Ansembourg

Luxembourg · Valley of the Seven Castles, Commune of Septfontaines, Luxembourg · Near Luxembourg City

Built 1240 · Twin-castle site: the medieval 'Old Castle' (13th century) occupies a rocky spur above the Eisch river valley — a ruined fortification with towers and curtain walls typical of Luxembourgish medieval military architecture; adjacent stands the 'New Castle,' a 17th-century Baroque manor built into and around the older structure with formal terraced gardens descending toward the river

This page is part of an independent travel guide and is not affiliated with, endorsed by, or operated by Ansembourg Castle.

Ansembourg Castle in the Valley of the Seven Castles, Luxembourg — the 13th-century medieval Old Castle on its rocky spur above the Eisch river valley, with the 17th-century Baroque New Castle and terraced gardens below

Quick Facts

Hours: Sat & Sun 10:00–18:00. Closed Mon–Fri
Guided tour from: €990
Duration: 30–45 minutes at the viewpoints; full day on the GYG Valley of the Seven Castles tour
Best time: April to October
Nearest city: Luxembourg City

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Highlights

✦The Valley of the Seven Castles — Ansembourg is the centrepiece castle on one of Luxembourg's most scenic heritage drives, a circuit through the Eisch river valley that passes medieval ruins at Mersch, Schoenfels, Hollenfels, Ansembourg, Septfontaines, and Koerich — seven fortifications spanning seven centuries of Luxembourgish medieval and early modern history in a 40km loop
✦Twin medieval and Baroque architecture — the site pairs the ruined Old Castle (13th century) on its rocky spur above the valley with the New Castle (17th century), a Baroque manor built into the medieval ruins with formal terraced gardens descending toward the Eisch; the juxtaposition of crumbling medieval towers and manicured Baroque gardens is Ansembourg's most distinctive visual feature
✦A private full-day guided tour — the GYG Valley of the Seven Castles tour (t1094817, from €990/group up to 4, new activity) is a private, 7-hour programme from Luxembourg City; the guide narrates the history of each castle site along the valley route, with stops at viewpoints and villages throughout the circuit
✦The Eisch valley setting — the valley of the Eisch river is one of the most pastoral landscapes in Luxembourg, a combination of forested hillsides, medieval ruins on rocky outcrops, and small agricultural villages that has remained relatively unchanged in its fundamental character since the medieval period
✦Luxembourg's most castle-dense landscape — the Valley of the Seven Castles concentrates more medieval fortifications per kilometre than any other part of Luxembourg, with each castle reflecting a different phase of the duchy's history, from the original Frankish fortifications through the Burgundian and Habsburg periods

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Ansembourg Castle sits in the Valley of the Seven Castles, the Eisch river valley west of Luxembourg City that contains the highest concentration of medieval fortifications in the duchy. The site is actually two castles — the ruined Old Castle from the 13th century occupying a rocky spur above the valley, and the New Castle, a 17th-century Baroque manor built into the medieval structure's footprint with formal terraced gardens descending toward the river. The combination of crumbling medieval towers and precisely kept Baroque gardens on the same site gives Ansembourg an architectural duality unusual even by the standards of a country that has been continuously fortified since the early medieval period.

The Valley of the Seven Castles (Vallée des Sept Châteaux) takes its name from the count of medieval fortifications visible from its road: Mersch, Schoenfels, Hollenfels, Ansembourg, Septfontaines, Koerich, and the ruins of older fortifications in between. The circuit covers roughly 40km and can be driven in an afternoon, but the landscape rewards a slower pace — the Eisch valley is one of Luxembourg's most consistently pastoral scenes, with forested hillsides, medieval ruins on rocky outcrops, and small villages that have existed in approximately their current form since the medieval period.

Ansembourg's Old Castle is privately owned and not generally open to the public for individual interior visits. The GYG full-day private tour of the Valley of the Seven Castles (t1094817) makes this clear in its booking terms: entrance fees are listed as excluded in the Includes/Excludes section (GYG ✗ confirmed), despite the tour's broader marketing description referencing exclusive access. Visitors on the tour explore the valley by private vehicle with a guide who provides historical narration for Ansembourg and the other castle sites from viewpoints and from outside the private estate — a comprehensive historical account of the castle's role in the valley without requiring interior access that cannot be guaranteed.

The New Castle's formal terraced gardens are occasionally open on specific dates; check locally for current access. The overall setting — the twin architectural phases of the castle seen from the valley road against the forested hillside — is Ansembourg's most reliably accessible and visually rewarding aspect.

History

The Old Ansembourg Castle dates from the 13th century, when the Eisch valley was under the control of noble families within the County of Luxembourg. The fortification on the rocky spur above the valley controlled river traffic and the road connecting Luxembourg City with the western parts of the county. The castle was expanded and modified through the 14th and 15th centuries. In the 17th century, the medieval structure was substantially rebuilt and incorporated into a Baroque manor — the New Castle — with formal terraced gardens laid out in the French style. The estate has been in private hands through the modern period. The Valley of the Seven Castles as a heritage and tourism concept was developed in the 20th century to draw attention to the density of medieval fortifications in the Eisch valley.

How to Visit

Getting there: Ansembourg is approximately 25 km west of Luxembourg City in the Eisch valley, accessible by car via the N12 road through Mersch. There is no direct public transport to the castle; the valley circuit is best done by car or private tour. The GYG full-day private tour from Luxembourg City (t1094817) collects from Luxembourg City and covers the full valley circuit by private vehicle.

Tickets: The Old Ansembourg Castle exterior and the valley viewpoints are accessible without charge from the road and valley paths. Interior access to the castle is not guaranteed and entrance fees are explicitly excluded from the GYG tour price (GYG ✗ confirmed). The GYG full-day private tour of the Valley of the Seven Castles (t1094817, from €990 per group of up to 4 people, new activity) includes a private vehicle and guide for the 7-hour circuit, narrating the history of Ansembourg and the other valley castles from the exterior and from viewpoints.

Practical tips: The Valley of the Seven Castles circuit is most satisfying in a full day — the seven castle sites, the Eisch valley villages, and the scenic road make it more rewarding than a rushed half-day. Hollenfels Castle (one of the seven) operates as a youth hostel and is occasionally open for exterior visits. The village of Septfontaines, with its own ruined castle and church, is worth a stop midway through the circuit. Bring good walking shoes for the valley footpaths between castle viewpoints.

Combine with: [Vianden Castle](/castles/luxembourg/vianden-castle) (~65 km north — Luxembourg's most dramatic and best-restored castle, a Romanesque-Gothic complex above the Our river valley, open for interior visits year-round) and [Beaufort Castle](/castles/luxembourg/beaufort-castle) (~40 km northeast — a ruined medieval castle with a Renaissance addition, one of the most visited heritage sites in Luxembourg's Müllerthal region).

Frequently Asked Questions

Not reliably. The Old Ansembourg Castle is privately owned and not generally open for individual public visits. The New Castle's gardens are occasionally accessible on specific dates; check local tourist information for current schedules. The GYG Valley of the Seven Castles private tour (t1094817) lists entrance fees as excluded (GYG ✗ confirmed) — the tour explores the valley and castle exteriors by private vehicle with a professional guide, without guaranteed interior access. The exterior setting of the twin castle from the valley road, and the viewpoints over the Eisch valley, are freely accessible and visually rewarding regardless of interior access.