Available to hire for filming with flexible spaces and onsite support. 

Make the most of all we have to offer, experience multiple activities on the same day

Bobble Hat Run

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Rush

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Training
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Weekly Fitness Classes

Join one of our range of weekly outdoor fitness classes at Nuclear Wild Forest, which are suitable for all abilities. Hosted by qualified personal trainers (PTs), this is a unique way to improve your fitness, motivation and resilience, meet likeminded people and train in the great outdoors, right here in Essex.

Ladies

A PT led fun outdoor class focusing on improving fitness alongside likeminded ladies.

Your first class is completely FREE; simply add the code FREE at the checkout when you sign up. This is the perfect way to give us a try, and surprise yourself with your abilities!

All abilities welcome, so come along and train in a unique way in the fresh air!

What's Included

£12.50 Per Class

(Price Includes Booking Fee)

Obstacle Fit Bootcamp

PT led obstacle and bootcamp outdoor class, where everyone is welcome with no experience required.

Your first class is completely FREE; simply add the code FREE at the checkout when you sign up. This is the perfect way to give us a try, and enjoy the Wild Forest obstacles in a unique way! 

What's Included

£12.50 Per Class

(Price Includes Booking Fee)

OCR Racers

If you’re an experienced OCR Racer, our regular intermediate to advanced outdoor fitness classes are the perfect way to build upon your skills.

This class focusses on speed over obstacles as well as overall fitness, to allow you to hone your racing skills ready to tackle any OCR event.

The first Sunday of every month are our time trials, so put yourself to the test!

What's Included

£12.50 Per Class

(Price Includes Booking Fee)

Bespoke 1-2-1 or small group training

Looking for 1-2-1 training or have a small group that would like to train together? If so, we can tailor your session to your needs.

From those just getting to grips with obstacles and outdoor fitness classes through to experienced OCR Racers, we can create a bespoke class to suit your requirements.

Email wildforest@nuclearessex.com to book.

What's Included
Price On Enquiry

Nuclear Wild Forest

Parsonage Farm, Kelvedon Hatch,
Brentwood Essex, CM15 0LA

wildforest@nuclearessex.com

07970 739037

Features
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WF - Car Icon

FRee car parking

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WF - Shower Icon

Hot indoor washdowns

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WF - Changing Icon

Changing rooms and toilets

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WF - Party icon

heated party rooms

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WF - Fire Pit Icon

fire pits

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WF - Vending Icon

Vending machine

Nuclear Offers

TOP 10 FAQ's

Can I buy gift vouchers for friends and family?
Yes — gift vouchers are available to buy online and make the perfect present for adventure lovers.
How can I raise money for a charity?
Sign up to one of our races, create your own bespoke event, or design a Wild Forest mud run — then share your fundraising page with your community.
Are spectators allowed out on the course?
At Nuclear Wild Forest, group bookings may bring a maximum of two spectators onto the course. This helps us ensure safety, keep the event running smoothly, and give participants the best possible experience.
What training do the Instructors have?
The lead instructors are all: Level 2 Gym Instructors or Personal Trainers Level 3 First Aid at Work Swim Safety Water Safety trained DBS checked Introduction to Safeguarding Gen Potential Training
What facilities are available at Nuclear Wild Forest?
The main building houses toilets, a disabled toilet, hot indoor wash-down facilities, and changing rooms. There are tea and coffee facilities, and a vending machine available. Party rooms and grass areas with a fire pit are available to hire after your activity.
Do you charge a parking fee?
Parking is free at all sites and events, apart from Nuclear Mud Tribe, which has a £5 parking fee per car. All parking is within a short walking distance.
How can I buy the Nuclear Merch?
You can buy this online or on the day. The Nuclear Essex shop will be on site at each event for you to purchase kit by cash or card.
Do children need to be able to swim?
Swimming is not required, buoyancy aids are available on race day. At Wild Forest, everyone is fitted with a buoyancy aid when they enter the lake zone.
What should I wear?
Wear fast-drying, breathable clothing and trail trainers with good grip. Avoid cotton and footwear without traction.
Do you supply food?
There are no catering facilities onsite. We recommend either bringing your own food or ordering Pizza to be delivered via Brentwood Dominoes. If you quote NUCLEAR they will give you up to 50% discount. The party organiser needs to make the order by phoning 01277 219999 the day before party.
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How to find Nuclear Wild Forest

How to find us

Find Nuclear Wild Forest at Parsonage Farm, Kelvedon Hatch, Brentwood Essex CM15 0LA .

Download the what3words app and navigate to shelf.slim.pulse. This will bring you directly to Wild Forest.

Nuclear Wild Forest

Parsonage Farm, Kelvedon Hatch,
Brentwood Essex, CM15 0LA

wildforest@nuclearessex.com

07970 739037