celebrate your special day with us
Parties and Groups
Nuclear Adventures is the ideal location for a fun, exciting & adventurous birthday party. Our dedicated team is on hand to help organise your booking and host your party so you & your children can have fun with friends. We welcome party bookings 7 days a week including week-days, weekends, school holidays & during term time after school.
CORE: High Ropes Experience
Age 6+
Approx. 2 hours
- Climb, balance and swing your way through an unforgettable celebration!
- Perfect for energetic kids who love a challenge, our Core Party includes a full High Ropes Adventure—a thrilling aerial obstacle course set among the treetops. With rope bridges, wobbly crossings, and zip wires up to 9 metres high, it’s all about laughter, bravery and big-time fun.
- Led by our friendly instructors, the birthday star and their guests will be securely harnessed and guided every step of the way.
- Up to 30 guests (minimum 10)
- Full High ropes experience 3 levels, 6 sections and 40m zipwire
- Optional party Den for food and cake (bring your own)
- Birthday Child goes FREE
£30.00 Per Adult
£24.00 Per Child
Minimum of 10 people
PULSE: 1 lap of our Zip Trek Course followed by High Ropes Experience
Age 8+
Approx. 2.5 hours
- Climb, balance and swing your way through an unforgettable celebration!
- Perfect for energetic kids who love a challenge, our Core Party includes a full High Ropes Adventure—a thrilling aerial obstacle course set among the treetops. With rope bridges, wobbly crossings, and zip wires up to 9 metres high, it’s all about laughter, bravery and big-time fun.
- Led by our friendly instructors, the birthday star and their guests will be securely harnessed and guided every step of the way.
- Up to 16 guests (minimum 10)
- Full High ropes experience 3 levels, 6 sections and 40m zipwire
- 1 lap of our Zip Trek course (13 zipwires)
- Optional party Den for food and cake (bring your own)
- Birthday Child goes FREE
FUSION: 30 mins of Angel Knife Fun followed by High Ropes Experience
Age 10+
Approx. 2.5 hours
- The ultimate combo of adrenaline and precision.
- Mix aerial excitement with skill-based challenge in our Fusion Party—a bold blend of High Ropes Adventure and Angel Knife Throwing. Start by taking on our elevated obstacle course, then shift focus to the target zone to learn how to throw specialised knives like a pro.
- This unique party package is ideal for older kids and teens who want something more than just the usual—because climbing and throwing blades? That’s a party they’ll never forget.
- Up to 16 guests (minimum 10)
- Full High ropes experience 3 levels, 6 sections and 40m zipwire
- 30 minutes of Angel Knife Throwing
- Optional party Den for food and cake (bring your own)
- Birthday Child goes FREE
£35.00 Per Person
Minimum of 10 people
Party Room HIRE
Got a birthday, hen/stag do, or group event? Make it an epic day out on Nuclear Adventures’ high ropes courses and trails, then gather in one of our dedicated Party/Group Areas.
Perfect Finish: The ideal post-adventure hub for food, presents, and high-fives.
Convenience: Includes seating and tables for food, drinks, and gifts.
Book Your Base: Secure your comfortable spot after completing your aerial adventure.
£25.00 Per Hour (Add-on)
Party Bag Goodies
Hold onto the thrill long after you’ve touched the ground! Our optional Nuclear Adventures Takeaway Totes are filled with fun, themed treats and items to give every participant a lasting memory of their day of conquering the heights and trails.
- Effortless Planning: Pre-packed and ready to go for a simple and easy end to your adventure booking.
- The Perfect Reminder: A small token celebrating the courage, confidence, and teamwork learned on the ropes.
- Bonus Certificate: Includes a Nuclear Adventures certificate to commemorate their achievement on the course.
From 49p
FAQ's
Find us
How to find us
We are based on top of the biggest & deepest cold war bunker open to the public in SE England: Kelvedon Hatch Secret Nuclear Bunker, Ongar Road, Kelvedon Hatch, Brentwood, Essex CM15 0LA
Download the what3words app and navigate to: fight.inspector.beams. This will bring you directly to Nuclear Adventures.