Castles, Forts & Bunkers

Noord-Holland’s landscape is shaped by centuries of defensive engineering, from medieval strongholds like Muiderslot to the 19th-century Stelling van Amsterdam. This collection features UNESCO-listed forts designed to flood the land, coastal bunkers from World War II, and restored castles. Highlights include the island fort of Pampus, the ruins of Brederode, and specialized military structures like the IJmuiden torpedo bunker, illustrating the evolution of Dutch military architecture and water-based defense strategies.

Castles, Forts & Bunkers — Kaart

Edi Weissmann / CC BY-SA 2.0

A

Muiden Fortress

Muiden Castle is a castle in the Netherlands, located at the mouth of the Vecht river, some 15 kilometers southeast of Amsterdam, in Muiden…

B

Fort bij Velsen

A defensive structure of the Stelling van Amsterdam, built between 1897 and 1901 to protect the North Sea Canal and the local railway line.

Ecomare/Salko de Wolf / CC BY-SA 4.0

C

Fort De Schans

Commissioned by William of Orange in 1574, this star-shaped fort on Texel was designed to protect the island's strategic anchorage and control shipping lanes.

Zandcee / CC BY-SA 3.0

D

Pampus

Pampus is an artificial island and late 19th-century sea fort located in the IJmeer near Amsterdam.

Janericloebe / Public domain

E

Fort bij Edam

A well-preserved component of the Stelling van Amsterdam, this fort was constructed to defend the Zuiderzee dike and the polders surrounding Edam.

Hanno Lans / CC BY 2.0

F

Torpedobunker IJmuiden

A massive concrete bunker from World War II used by the German navy to store and service torpedoes for fast attack craft in IJmuiden harbor.

Arch / Public domain

G

Brederode Castle

Brederode Castle, also called the Ruins of Brederode, is located near Santpoort-Zuid.

Marco Ravestein / CC-BY-SA

H

Huis ter Kleef

The ruins of the Huis ter Kleef castle are located in the city gardens of Haarlem.

I

Huis Dever

A restored 14th-century fortified residential tower, or keep, representing a rare surviving example of a small medieval manor house.

®oel / CC-BY-SA-3.0

J

Slot Assumburg

Slot Assumburg is a castle in the east of Heemskerk in the province of North Holland in the Netherlands.

K

Fort Spion

A small 19th-century fort within the New Dutch Waterline, originally built to defend the narrow strip of land between the Loosdrechtse Plassen.

L

Huis te Vogelenzang

A 19th-century country estate built on the foundations of a medieval castle, featuring landscaped gardens and historical outbuildings.

M

Het Oude Hof

A 17th-century manor house in Bergen, constructed in the Dutch Classicist style on the site of a former medieval castle and surrounded by a moat.

N

Duinlust

A grand 19th-century Neo-Renaissance estate house located in the dunes of Overveen, serving as a prominent example of local country house architecture.

O

Fort Redoute

A Napoleonic-era defensive work on Texel, situated near Fort de Schans to provide additional coastal protection.

Sygic Travel User / CC-BY-SA

P

Marquette

A 13th-century castle transformed into a stately manor house, featuring a mix of medieval foundations and later architectural styles.

Janericloebe / Public domain

Q

Fort benoorden Spaarndam

Part of the UNESCO-listed Stelling van Amsterdam, this fort was built in the late 19th century to defend the Spaarndammerdijk and local sluices.

Janericloebe / Public domain

R

Fort benoorden Spaarndam

A late 19th-century defensive fort designed to protect the hydraulic works and dikes north of Spaarndam as part of the Amsterdam Defense Line.

S

Batl & Reg Hauptquartier

A World War II German command bunker that served as a headquarters for local defensive regiments within the Atlantic Wall network.

T

Marine Flak Batterij Olmen

A German anti-aircraft battery from World War II, consisting of reinforced concrete bunkers designed to defend the strategic port of IJmuiden.