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Muddy parties

Looking for an unforgettable outdoor party venue with a difference? Our parties at Nuclear Wild Forest are the ultimate outdoor experience for energetic kids (and big kids!) aged 6+ who love to climb, crawl, and get gloriously muddy on our legendary obstacle course! We have different package options on offer to suit your group size and celebration needs, ensuring a tailored experience and fun time for all.

bronze package

Age 6+

Approx. 1 Hour

All abilities

Enjoy a one-hour obstacle course experience packed with fun and games in and around the Nuclear Wild Forest, led by your own designated, qualified instructor. Get stuck into the obstacles, work together as a team and take on a variety of child-friendly challenges, all while having a blast getting muddy.

With boundless energy, plenty of laughter and muddy smiles guaranteed, it’s the perfect party for anyone who loves to get active and have fun.

What's Included

£24.00 Per Adult

£20.00 Per Child

Minimum of 6 people

Silver package

Age 6+

Approx. 1.5 Hours

All abilities

Climb, crawl, splash, and laugh your way through 90 minutes of muddy fun and games at the Nuclear Wild Forest!

With a qualified instructor leading the fun, you’ll take on awesome obstacles, get gloriously muddy and create an unforgettable party.

What's Included

£27.50 Per Adult

£24.95 Per Child

Minimum of 10 people

Gold package

Age 10+

Approx. 1.5 Hours

All abilities

Get ready for 90 minutes of non-stop, muddy obstacle fun, including the epic Deathslide. Perfect for kids and adults alike, this action packed experience is all about getting stuck in and having a laugh together.

Led by a friendly, qualified instructor, you’ll take on a mix of land and water obstacles, embrace the mud and enjoy every moment along the way.

Our Wild Forest parties are guaranteed to leave everyone smiling, covered in mud and already asking when they can come back.

What's Included

£32.00 Per Adult

£28.50 Per Child

Minimum of 10 people

ADULT PARTIES

Age 18+

Approx. 1 Hour

All abilities

Why should the kids be the only ones to have all of the fun?!

Enjoy 90 minutes of obstacle #LoveMud fun finishing with the famous Deathslide.

For the ultimate party experience add on zip wires into water for an additional £5 per person.

What's Included

£38.00 Per Person

Minimum of 10 people

Ultimate muddy party

Age 10+

additional 30 Minutes

All abilities

Want to really make your party stand out from the crowd? If so, give your child the ULTIMATE party and add on 30 minutes of angel knife throwing!

Following your safety briefing, you’ll enjoy 30 minutes of fun and games using the angel knives.  Your dedicated qualified instructor will explain the importance of grip, release angle, stance, follow through and throwing motion.

What's Included

£15.00 Per Person (Add-on)

Minimum of 10 people

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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Fire Pit & Party Room Hire

Make your Wild Forest experience unforgettable with our post-mud celebration options.

Choose from:

  • Fire Pit Hire – Roast marshmallows and relax around a roaring fire.
  • Heated indoor Party Room – Ideal for food, presents and warm high-fives.

Why not keep the party going? Domino’s Brentwood offers up to 50% discount and delivers directly to Wild Forest.

£25.00 Per Hour (Add-on)

£25 refundable deposit required

Wild Forest Party Bag Goodies

Make your Wild Forest celebration extra special with our optional Party Bags  packed with fun, themed goodies and a memorable takeaway from a day of conquering obstacles.

  • Pre-packed and ready for collection on the day.

  • Includes a Wild Forest certificate to celebrate their achievement.

From 49p

Features

FRee car parking

Hot indoor washdowns

Changing rooms and toilets

heated party rooms

fire pits

Vending machine

Nuclear Offers

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