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5 March 2026

From Water Supply to Luxury Stay: The 100-Year Journey of Watertower Duin & Bosch

Looking for a romantic getaway that blends heritage, design, and breathtaking views? At the heart of the dunes in Castricum, Watertower Duin & Bosch transforms a more than 100-year-old national monument into a luxurious, private design hotel with a single suite and a 360° panoramic view. In this guide, you'll discover how a working water tower from 1908 became a one-of-a-kind stay 33 meters above the treetops — and what awaits you inside today.

Where it began: water for care and community

Watertower Duin & Bosch stands on the historic grounds of Duin & Bosch. In 1903, the state purchased 80 acres of dune reserve from Princess zu Wied, granddaughter of King Willem I. A year later, in 1904, a hospital was built here by commission of the Provincial Council of North Holland. To support the facility, the site included its own drinking water works — and the water tower you can now sleep in.

Completed in 1908, the tower stored treated dune water. Water was pumped from deep pits, filtered, and de-ironized before being held in a basin and then lifted into the tower. As with classic water towers everywhere, the elevated reservoir helped stabilize pressure and ensure reliable supply across the grounds.

By the end of the seventies, the buildings connected to the regional water network, and the tower’s original function ceased. For years it stood as a quiet landmark — until new plans brought it back to life.

A national monument transformed

Years later, restoration plans reimagined the abandoned tower as a unique boutique hotel with one room and panoramic view. The conversion placed the luxurious hotel suite within the tower’s original water reserve. To bring in more daylight, the entire roof was lifted and windows were added, honoring the monument while opening it to the sky.

Inside, you’ll notice a dialogue between steel and concrete that celebrates the building’s industrial past. Sustainable materials and high‑quality design products give the suite a modern, refined atmosphere. A striking architectural highlight — the “floating loft” — elevates the sleeping area and frames the 360° horizon.

Inside Watertower Duin & Bosch today

A luxurious private suite at 33 meters high

The suite is an intimate, high‑end design space of about 20 m², created for quiet comfort. You sleep upstairs on the floating loft in a king‑size, round bed. All around, windows reveal a constantly changing panorama from 33 meters above ground: the coastline of Castricum to the west, farmlands to the east, and the treetops of the Noordhollands Duinreservaat to the north and south. As evening falls, distant city lights flicker; at dawn, birdsong greets the day.

For a visual taste, explore the gallery and details here: Take a look at the suite.

Amenities designed for comfort

This private design hotel is equipped for a romantic overnight stay and a unique weekend away. Highlights include:

Seamless arrival, unhurried departure

From the moment you open the door at the base and enter the historic round hall, the experience begins. You’ll climb a dizzying spiral staircase, pass along steel and concrete, step through a door and up a short set of Swedish steps — and then arrive at your private suite in the sky. Check in from 3:00 PM, linger the next morning with late check‑out until 12:00 PM, and soak up every moment.

The surroundings: dunes, sea, and culture

At the foot of Watertower Duin & Bosch lies the Noordhollands Duinreservaat, an expansive nature reserve where you can wander for hours through forests and dunes. Climb a viewpoint, stroll the beach, and you might even encounter impressive Scottish Highlander cows or wild horses. Planning a visit to the reserve? You’ll receive a dune map by email in advance of your stay.

Explore more ideas here: So much to discover.

Why heritage stays matter

Staying in a restored monument offers more than a night away — it’s a connection to place. Adaptive reuse preserves history while giving buildings new purpose. At Watertower Duin & Bosch, thoughtful interventions — lifting the roof, adding windows, and crafting a suite within the former water reserve — allow you to experience the tower’s story firsthand. The result is a rare blend: the quiet of a nature‑surrounded eyrie with the comforts of a modern, high‑end suite.

Quick timeline of Watertower Duin & Bosch

Year/Period Milestone
1903 State buys 80 acres of dune reserve from Princess zu Wied
1904 Hospital at Duin & Bosch constructed by order of the Provincial Council of North Holland
1908 Watertower completed; dune water pumped, filtered, de‑ironized, stored, and supplied via the tower
Late 1970s Site connects to the regional water network; tower’s original function ends
Years later Abandoned tower restored and converted into a boutique hotel with one luxurious suite and panoramic view

FAQs about Watertower Duin & Bosch

What is Watertower Duin & Bosch?

Watertower Duin & Bosch is a more than 100‑year‑old national monument in Castricum that has been transformed into a private design hotel with a single, luxurious suite.

How high is the suite?

The suite is located at the top of the tower at 33 meters above ground.

When was the watertower built?

The watertower was completed in 1908.

What views can I expect?

A 360° panoramic view: the coastline of Castricum to the west, farmlands to the east, and treetops of the Noordhollands Duinreservaat to the north and south.

Is breakfast included?

Yes. A delicious complete breakfast from DOK is included and delivered to the tower.

What amenities are included?

A kitchenette with sink and inventory, Quooker, coffee machine with cups/tea, Wi‑Fi, sound system, flat screen TV, rain shower, freestanding bath, air conditioning, heating, a chilled bottle of bubbles on arrival, private parking, and two bicycles.

Is it suitable for a wedding night?

Yes. The suite is perfectly suited for a romantic wedding night as a private bridal suite.

How do I check in and out?

Expect reception‑free check‑in from 3:00 PM and late check‑out until 12:00 PM.

Practical takeaways and tips

Conclusion: Your private design hotel above the dunes

From a 1908 water supply to a 33‑meter private suite with a 360° view, Watertower Duin & Bosch proves that history can be both beautifully preserved and delightfully livable. Whether you’re celebrating a wedding night, planning a midweek escape, or seeking a quietly luxurious stay surrounded by dunes and sea, this national monument invites you to unwind on a higher level.

Ready to experience it for yourself? Explore availability and plan your romantic getaway: Watertower Duin & Bosch.