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Hallwyl Castle
Hallwyl Castle is situated at the outlet of the Aabach river from Lake Hallwil in the Canton of Aargau and is regarded as one of Switzerland's most significant moated castles. The complex was founded in the late 12th century by the Lords of Hallwyl and served as the ancestral seat of this influential noble family for over 800 years. The castle is spread across three islands and combines architectural styles from various eras, ranging from medieval defensive fortifications to prestigious Renaissance and Baroque residences. A pivotal transformation occurred in the 16th century under Hans Theodor von Hallwyl, giving the site much of its current character. Following extensive restoration in the late 19th century by Wilhelmine von Hallwyl, the castle was opened to the public. Today, it houses a museum that weaves family lineage with the broader history of Aargau, offering insights into rural aristocratic culture.
- Location: Switzerland
- Top sights: Reformierte Kirche · Foto-Spot Schloss Hallwyl · Schloss Hallwyl
- Nearby: Lenzburg (7 km)
Best time to visit & climate
The most pleasant time to visit is Jun–Aug.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °C | -1 | 0 | 4 | 9 | 13 | 17 | 19 | 18 | 14 | 10 | 4 | 0 |
| Rain mm | 83 | 65 | 82 | 83 | 129 | 118 | 124 | 124 | 87 | 96 | 80 | 92 |
📋 Practical info
Geography
Facts
- The oldest sections of the residential tower date back to around 1265.
- In 1415, the castle was partially set on fire by the Swiss Confederates.
- The castle complex consists of a Rear, Middle, and Front island.
- Wilhelmine von Hallwyl financed a scientific restoration between 1910 and 1916.
- The moat is fed by the water of the Aabach river, which flows directly past the castle.
- Since 1994, the castle has belonged to the Canton of Aargau and is part of Museum Aargau.
Explore nearby
Notable places around
Route planner — Car & Motorhome
Where do you start? We build the route here, with stops and country notes along the way.
© OpenStreetMap contributors · OpenRouteService
Sights in the town Hallwyl Castle (10)
Pfahlbauerhaus
Reconstructed stilt house in Seengen, canton of Aargau.
Schloss Brestenberg
Castle in Seengen, canton of Aargau, Switzerland.
Seenger Moor
Bog area in Seengen, canton of Aargau.
Risi archaeological site
Archaeological site in Seengen, canton of Aargau.
Boniswiler Ried
Fenland of national importance in Boniswil and Seengen, canton of Aargau.
Steinzeitwerkstatt🏛 museum
Stone Age museum in Seengen, canton of Aargau.
Reformierte Kirche Leutwil
Church in Leutwil, canton of Aargau.
Sights nearby
Frequently asked questions
What kind of castle is Hallwyl?
Where is Hallwyl Castle located?
Do you have to pay admission for the castle courtyard?
Is there a circular path around the lake?
Can events be held here?
Hallwyl Castle: where is it located?
Hallwyl Castle: what is there to see?
Hallwyl Castle: when is the best time to visit?
Hallwyl Castle: why is it worth visiting?

















