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30 March 2026

Ullie de Uil Uncovered: How a Beloved Character Brings Nature Learning to Life

Looking for a family holiday that’s more than screen time and souvenir shops? At Camping Geversduin in Castricum, North Holland, Ullie de Uil turns curiosity into adventure and play into real-world learning. Set in a lush, forested landscape close to the dunes and the sea, our family-focused campsite weaves nature discovery into every day—so kids learn by doing, exploring, and having fun.

In this guide, you’ll learn who Ullie de Uil is, how nature learning comes alive across our grounds, and practical ways to make the most of your stay—whether you’re pitching a tent or booking one of our accommodations.

Quick answer: What is Ullie de Uil?

Why nature learning belongs on your holiday

Nature learning is simple: kids explore, move, and experiment outdoors. The result is confidence, creativity, and a deeper bond with the world around them. Unstructured time outside—climbing, balancing, digging, observing—encourages problem-solving and sparks a sense of wonder. When that happens on holiday, the memories last.

At Camping Geversduin, nature learning fits seamlessly into family life. You’ll find:

The Geversduin setting that powers Ullie’s world

Camping Geversduin is a friendly, well-cared-for campsite in Castricum, surrounded by trees and close to the dunes and the sea. Here, nature experience blends with the comfort of modern facilities—the best of both worlds—guided by a sustainable vision: a Green Dream.

What that looks like on the ground:

How Ullie de Uil brings nature learning to life

1) Curiosity first: explore the forest and dunes

Kids learn best when nature sets the agenda. With Ullie de Uil as their inspiration, children follow their interests—touching textures, tracking tiny footprints in the sand, and noticing how the forest changes with light and weather. The duinreservaat, nearby beach, and wooded paths offer varied terrain that invites questions and movement.

2) Play turns into discovery

Playgrounds and the belevingspad are designed for climbing, balancing, and experimenting—ideal for building coordination and confidence. As children test limits in safe, stimulating spaces, they naturally learn about cause and effect, cooperation, and resilience.

3) Activities make learning social and fun

Family-friendly activities at Camping Geversduin add structure to curiosity. Whether it’s hands-on fun or outdoor challenges, the focus is on participation and enjoyment. Ullie de Uil’s playful spirit keeps the emphasis on exploring together and celebrating small discoveries.

Tip: Want a taste of the action? Start with Op avontuur to get in the mood for exploration.

4) Comfort supports curiosity

After a day of adventure, comfort matters. The Centrumplein is your friendly hub; Knoest Eten & Drinken is perfect for a relaxed meal; the Minimarkt helps you stock up on essentials. When kids know there’s a cozy base to return to, they feel free to venture further and try more.

Practical ways to make Ullie’s world your own

Use these simple, family-tested ideas to weave nature learning into your stay.

1) Choose your perfect base

2) Start with simple prompts

3) Make movement part of the day

4) Play with purpose (but keep it fun)

5) Mix active time with gentle downtime

6) Bring your four-legged friend into the fun

7) Lean into the elements

Where Ullie de Uil fits into your day

Frequently asked questions about Ullie de Uil

Who is Ullie de Uil?

Ullie de Uil is a beloved character at Camping Geversduin who encourages families to explore, play, and discover nature together.

Where can families experience Ullie’s spirit at Camping Geversduin?

All across the campsite—through playgrounds, the belevingspad, nearby dunes and beach, and family-friendly activities that make discovery part of everyday fun. For inspiration, start with Op avontuur.

What ages enjoy Ullie de Uil?

Ullie’s world is designed for families with children, with plenty to do and discover at different stages—so siblings can share the adventure in their own ways.

Do we need a specific type of stay to join in?

No. Whether you’re camping or booking an accommodation, you’ll find nature play and family-friendly activities close at hand.

Can we bring our dog?

Yes. Dogs are welcome with camping and in accommodations. See Honden for details.

The heart of it all: a Green Dream

At Camping Geversduin, nature experience goes hand in hand with the comfort of contemporary facilities—and with a sustainable vision, a Green Dream. That balance helps families slow down, connect, and make meaningful memories. Ullie de Uil simply gives that journey a friendly face and a playful nudge toward discovery.

Conclusion: Let Ullie de Uil guide your next family adventure

When play meets nature, kids don’t just have fun—they grow. At Camping Geversduin in Castricum, North Holland, Ullie de Uil helps families turn curiosity into unforgettable moments across the forest, dunes, and beach.

Ready to plan your stay?

Book your spot, pack your curiosity, and let Ullie de Uil lead the way.