Father's Day
Unforgettable Experiences for Father’s Day
Make great family memories this Father’s Day. Take on the treetop challenges at Nuclear Adventures, tackle the outdoor obstacle course at Wild Forest, or explore Cold War history with a fascinating Secret Nuclear Bunker tour at Kelvedon Hatch. Whether your dad loves action-packed activities, outdoor adventure, or discovering unique historic sites, Nuclear Essex offers the perfect Father’s Day experience for families looking for something different. Bring the whole family together for a day of climbing, zip-lining, obstacle challenges and underground exploration — a memorable Father’s Day activity in Brentwood that Dad will actually want to do.
Dads go free at Nuclear Adventures
Looking for the perfect way to celebrate Dad? Skip the traditional gifts and give him an experience he’ll actually talk about. From tackling the aerial obstacles to exploring our forest by zipping through the trees, we’re hosting the ultimate “Dad-venture.” We want to see the whole family out in the treetops, which is why all Dads receive complimentary admission with any full-paying participant.
How to get the offer
- Navigate to the Nuclear Adventures activity page
- Choose Your Activity: Select the activity you wish to take part in.
- Add tickets for the whole family
- Enter Discount Code: use code DAD26 at checkout to receive your discount
- Limited Time: The discount is only valid for activities taking place on Sunday 21st June 2026
Dads go free at Wild Forest
reat your Dad to a unique, action-packed day out exploring the obstacle course — or will axe throwing be more his style?
Whether he’s competitive, or just up for a laugh, Wild Forest is the perfect way to celebrate together.
Dad must be accompanied by a full-paying adult or child.
How to get the offer
To secure your spot please fill out the enquiry form below.
Let’s make this Father’s Day one to remember.
Limited Time: The discount is only valid for activities taking place on Sunday 21st June 2026.
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.
- 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 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.