Nuclear Adventures

Nuclear Adventures The biggest high ropes course in Essex based at Kelvedon Hatch Secret Nuclear Bunker, Brentwood

07/09/2026

Some obstacles definitely look a little higher once you’re up there…

On Sunday 27th September, we’re asking you to be brave for bravery at our Nuclear Adventures Community Fundraising Day, raising money for Little Havens Hospice 💙

Challenge yourself on the High Ropes, take on the Zip Trek or bring your friends and family along for something a little closer to the ground!

All profits from Nuclear Adventures activities on the day will be donated to Little Havens.

So, who would you trust to take this on with you? 👇

📅 Sunday 27th September
📍 Nuclear Adventures, Kelvedon Hatch, Essex

EssexDaysOut

On Sunday 27th September, Nuclear Adventures is holding a special Community Fundraising Day in support of Little Havens,...
04/09/2026

On Sunday 27th September, Nuclear Adventures is holding a special Community Fundraising Day in support of Little Havens, helping them continue their incredible work caring for babies, children and young people across Essex.

For one day, ALL profits from Nuclear Adventures activities will be donated to Little Havens Hospice.

That means simply by coming along and taking on the High Ropes, Zip Trek, Axe Throwing and more, you’ll be helping to support an amazing local charity.

Bring the family, get a group of friends together or challenge your workmates and help us raise as much as possible! 💙

📅 Sunday 27th September 2026
📍 Nuclear Adventures, Kelvedon Hatch, Essex
🎟️ Book your activity as normal and your visit will help support Little Havens.

Bravery for bravery.

We’ve just made it even easier to make the most of our 15% off when you book 2 or more activities offer! 🙌 Two of our mo...
20/08/2026

We’ve just made it even easier to make the most of our 15% off when you book 2 or more activities offer! 🙌 Two of our most popular activity combinations can now be booked together in just one click, so there’s no need to add each experience to your basket individually. We saw it in action today, with visitors booking our Angel Knives & High Ropes combo using the new easy booking option. Less time booking, more time adventuring! 🌳🪓

18/08/2026

Birthday child goes FREE! 🎂 It’s almost too good to be true!

Planning their next birthday? Get their friends together for a party at Nuclear Adventures, with High Ropes, Zip Trek, axe & knife throwing and plenty of laughs along the way. 🌳

When you book a party for 10+ participants, the birthday child goes FREE 🥳

A chance to get everyone outdoors, try something different and make some brilliant birthday memories together.

📍 Brentwood, Essex

13/08/2026

15% off when you book 2+ activities this summer holiday! 🧗🌳

If you book High Ropes and Zip Trek for a family for group of 4, you will save £23.40 in total!

11/08/2026

Our social media team asked for a reel…

We did the best we could 🤷

Address

Nuclear Adventures, Ongar Road
Brentwood
CM150LA

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm
Saturday 9am - 5pm
Sunday 9am - 5pm

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