Summer at nuclear essex
Make This Summer Unforgettable
Make the most of summer at Nuclear Essex with outdoor activities, obstacle courses and family-friendly events in Essex. From water obstacles at Nuclear Wild Forest and high ropes at Nuclear Adventures, to outdoor fitness races, and the Secret Nuclear Bunker tour, there’s something for all ages and abilities. Whether you’re planning a family day out, school holiday activity or a group experience, you will be sure to make memories that will last.
Nuclear Adventures Summer pass
Why settle for one day of adventure when you can have six weeks? The Nuclear Adventures Summer Pass is the ultimate ticket for adrenaline-seekers and families looking to stay active all holiday long.
This year, we’ve made the pass more inclusive than ever. Whether you’re conquering the treetops, hitting the bullseye at the range, or joining our specialised Quiet Sessions, your pass covers it all. With the Junior pass at £60 and Adult at £80, it pays for itself in just a few visits!
What’s Included:
- Unlimited bookings for high ropes, zip trek and axe throwing.
- Access to specialised Quiet Sessions.
- Access to Little Monkeys sessions.
- Valid 7 days a week during advertised opening hours.
Splash at nuclear wild forest
Age 6+
60 Minutes
All abilities
June / July / August
Make a splash this summer at our award-winning obstacle course.
Designed for ages 6+, Splash is all about fun, confidence and getting stuck in. From bouncing and climbing to splashing and sliding, children can explore the Lake Zone in a safe, exciting environment packed with energy and laughter.
Ready to take it up a level? Splash Plus is a more action-packed Lake Zone experience designed for ages 10+. Includes all Splash obstacles, plus the Deathslide, Kingfisher, Mutts Nutts Swingers and Spinning Monkeys.
Key information​
- Hot washdowns and changing rooms available.
- Hosted by friendly and qualified instructors.
- Buoyancy aids provided for all lake activities.
- Change of clothes and shoes, and a black sack for wet clothes.
Just Get Over it at Nuclear wild forest
Age 6+
Approx. 1.5 Hours
All abilities
July / August
90 minutes of action packed obstacle and muddy fun, led by designated, qualified & friendly instructors. Children will bounce, climb, crawl, jump and slide their way around the obstacle course, which is designed for all abilities, finishing with the ultimate highlight, our slip ‘n’ slide .
This session focuses on fun, movement and building confidence in a supportive environment.
In our experience, children benefit most from the session without parents on the course, which helps build independence. Parents are welcome to relax in the hub or take advantage of our drop-and-go option.
Key information​
- Achievement certificate for everyone.
- Hosted by highly experienced and qualified staff.
- Hot washdowns and changing rooms available.
Secret Nuclear Bunker Tour​
All Ages
Approx. 1 Hour
Take a step back in time to the Cold War era with a visit to the Kelvedon Hatch Secret Nuclear Bunker. This massive underground complex is the biggest and deepest Cold War bunker open to the public in the Southeast of England.
As a Regional Government Headquarters, the bunker would have housed hundreds of staff, including Prime Minister Margaret Thatcher. Our self guided audio bunker tour is a fascinating opportunity to explore this unique piece of history and discover the secrets that would have unfolded in the event of a nuclear war.
What’s Included
- Immersive Self guided tour with handsets.
- Discover real life artefacts from the Cold War period, and experience what life would have been like at the Essex Secret Bunker.
- Discover the authentic underground command centre – where real plans were made for life after a nuclear strike.
- Younger visitors can explore this unique era of our history through our engaging dressing up area.
Nuclear FIT
Age 16+
Approx. 1 Hour
18th July 2026
Nuclear Fit is the ultimate outdoor fitness race. This dynamic event combines six 1km trail runs with powerful workout stations. It’s a full-body test that blends endurance and functional fitness in one exhilarating race. Nuclear Fit is the perfect goal to train for, way to challenge yourself and discover what you’re truly capable of.
What’s Included
- Chip timing.
- Trophies for 1st, 2nd and 3rd male and female winners.
- Finishers medal and free finishers wall photo.
- Free spectators and free parking.
Nuclear FIT Rookies
Age 9+
Approx. 1 Hour
18th July 2026
An exciting outdoor fitness race designed for young athletes aged 9–15, giving them the chance to take on a fun and challenging course built just for them. Combining functional fitness stations with short runs, the race introduces the next generation to fitness racing in an energetic, supportive and confidence-building environment.
What’s Included
- Chip timing.
- 1 free finishers wall photo.
- Finishers medal.
- Free spectators and free parking.
GET READY FOR Summer 2027
These events have now finished for the current season, but they’ll be back. We’re already working on future activities and experiences, with new dates and details released here once confirmed. In the meantime, follow us on social media or sign up to our mailing list to be the first to hear when bookings reopen and new events are announced.
Nuclear Offers
Explore all our activities...
Step out of the routine and into the thrill of award-winning obstacle course action at Nuclear Races.
Challenge yourself with Nuclear Fit, an outdoor fitness race that tests your strength, stamina, and determination.
Get muddy with Mud Tribe, a 5k obstacle course run which is suitable for all abilities.
Uncover Cold War secrets at the iconic Kelvedon Hatch Secret Nuclear Bunker.
Take adventure to new heights at Nuclear Adventures, featuring high ropes, zip lines and thrilling target sports.
Get outdoors and challenge yourself at Nuclear Wild Forest with thrilling obstacle courses and axe and knife throwing.
How to find us
Nuclear Essex is located in Brentwood, Essex just 15 minutes from the A12, M25 and M11.
By Train and taxi, we’re just 15 minutes from Brentwood station (on the mainline from Liverpool St) or 15 minutes from Epping Underground station.
