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Fort Vertier is an outdoor Roman-style 3D maze in Harderwijk. Children climb, scramble, explore, and solve puzzles as they compete for the highest score. No screens—just outdoor action.
Fort Vertier is suitable for children ages 5 to 13. Children 5 and older are allowed inside the fort. Does your child still need a little help? If so, parents are welcome to accompany them into the maze to assist.
A 4-year-old isn't yet able to play the games on their own. However, your child can join in the fort if you, as a parent, go along to supervise.
Yes, if your child is 13 or older and is traveling with the family, they are allowed to enter. You simply need to purchase a ticket for them.
Fort Vertier is located in Harderwijk, at Boekhorstlaan 1. We’re right near Klimbos Harderwijk and Outdoor Harderwijk, with free parking right out front. It’s a great spot for an active day out with the kids in the Veluwe.
Yes, Fort Vertier is entirely outdoors. The fort itself is in the open air. So kids can play, climb, and solve puzzles right out in the fresh air. Parents, however, sit under the covered picnic tables.
You’ll need to reserve a 2-hour time slot for entry to the fort. So plan on spending an active morning or afternoon outdoors.
Children go on a mission in and around the fort. They run, search, climb through the maze, and solve puzzles to reach the right towers. They can see their progress on the screens.
So they don’t just go in and out of the fort once. They keep exploring, trying again, taking a quick break at the picnic table, and then diving back into the adventure. To get out of the fort, they head down via the slide, the big airbag, or another route.
At Fort Vertier, kids can play a variety of games. These include the tower game, the board game, and the scavenger hunt. While one game is all about speed, another focuses on searching or solving puzzles. That’s more than enough for two hours of fun!
Yes, every child gets their own wristband. During the game, children can see how fast they are on the screens. Afterward, you’ll see who clocked the fastest time of the day.
Yes, our staff will explain the game beforehand. After that, the children will go into the fort on their own. If your child needs extra help, you’re welcome to go inside with them.
Yes, parents and guardians pay €3.50 per person. For that, you’ll receive a cup of coffee or tea. Afterward, you can relax and watch from the picnic tables surrounding the fort.
Parents can watch from the picnic tables surrounding the fort. You’ll be sitting outside, close to the action, but the children will be having their own adventure inside the fort. Coffee, tea, soft drinks, ice cream, and snacks are available.
Yes, you can. There are picnic benches around the fort where children can take a break. Then they can go back inside the fort for the next round.
Fort Vertier usually goes ahead as planned. Since the fort is outdoors, a little rain is to be expected. In the event of extreme weather conditions, we will contact you. If you don’t hear from us, your reservation is still valid.
Wear clothes that can get dirty. Fort Vertier is an outdoor venue, and the children are active. Closed-toe shoes are best. Flip-flops are not allowed.
Yes, parking is free at Fort Vertier. There is plenty of parking right in front of the fort. There is also a Tesla Supercharger next to the fort for electric cars.
Yes, there are restrooms at Fort Vertier.
No, there are no lockers available. Please bring as few personal items as possible.
Yes, you can buy drinks and snacks at the cash register. These include coffee, tea, soft drinks, snacks, and ice cream. Burger King, La Place, and KFC are also within walking distance.
No, you are not allowed to bring your own food or drinks. You can buy drinks and snacks at the ticket counter at Fort Vertier.
Yes, there are covered picnic tables around the fort. You can sit there sheltered from the rain or the bright sun, while still keeping an eye on the fort.
The fort itself is not covered. Children play outdoors. However, there are covered picnic tables around the fort for parents and guardians.
Yes, you can bring your dog to Fort Vertier. However, the dog must be kept on a leash and supervised by an adult.
Yes, advance reservations are required. There are a limited number of spots available per time slot. This ensures there’s plenty of room to play in the fort.
You can easily make a reservation online via the Fort Vertier website. Select a date, time slot, and the number of people. You will then receive a confirmation of your reservation.
No, at Fort Vertier you can only pay by debit card. Cash payments are not accepted.
Transaction fees are charges associated with online payments, such as those made via iDEAL or another payment method. These fees are incurred during the payment processing.
You cannot cancel a reservation for Fort Vertier. You can reschedule up to 72 hours in advance by contacting us.
We cannot make any changes to your reservation within 72 hours of your visit, as we are holding the seats specifically for you. If you are unable to attend, you may transfer the tickets to someone else.
See our Terms and Conditions for full details.
Please check in at the ticket counter when you arrive. You are reserving a 2-hour time slot, so if you arrive late, you will have less time to play.
Yes, Fort Vertier is the perfect venue for an active children’s party in Harderwijk. Kids play outside in the fort, compete for the highest score, and have a fun-filled party together.
For children's parties, we recommend children aged 7 and up. At that age, children are usually able to play on their own and fully participate in the games inside the fort.
At a kids' party at Fort Vertier, the children get to play and try out laser tag. You'll get your own party table, a gift for the birthday child, and for each child, a soft drink, a cool temporary tattoo, and a certificate.
Want to make the party complete? Then you can add extras, such as chips or ice cream.
Check out all the options on the kids' parties page.
Yes, if Fort Vertier is open on the selected day, you can also book a children’s party. Be sure to book early, as space is limited for each time slot.
Yes, Fort Vertier is perfect for an active and educational outdoor field trip. Children play together in the fort, get plenty of exercise, and go on a mission in the maze. You can find more information on the field trips page.
Yes, large groups are welcome at Fort Vertier. This includes school classes, after-school programs, families, and clubs. Please contact us, and we’ll work with you to find the best option for your group.
Yes, Fort Vertier is located next to Klimbos Harderwijk. You can combine your visit with rock climbing or mini-golf to make it an active day out with the kids in Harderwijk.
Yes, that's possible. For questions about school trips or groups, please call 085-0645245. You can also email us at: info@fortvertier.nl