01245 223216
Phone lines open:
9am - 9pm
Open 7 days a week! Book Now
01245 223216









Find Us
We are based at The Secret Nuclear Bunker
Ongar Road, Kelvedon Hatch Near Brentwood, Essex
Follow the Brown Tourist signs for The Secret Nuclear Bunker
By Car: Access is only from the A128 Ongar to Brentwood road at Kelvedon Hatch.
From M11: Take the A414 (Chelmsford) to Ongar then take the A128 to Brentwood.
From M25: Interchange with the A12, junction 28, take the A1023 to Brentwood then take the A128 to Ongar.
If you have GPS then use CM15 0LA and look out for the brown tourist signs for The Secret Nuclear Bunker.
By Train: Nearest rail stations are Brentwood or Shenfield. Taxis available (about 7 miles).
For train times ring National Rail Enquiries on 0845 748 4950
By Tube: From Debden, Theydon Bois or Epping on the Central Line. Taxis available (about 7 miles)
Bus service: The 501 bus service runs every hour and stops near the Secret Nuclear Bunker on request.
If you wish to visit the site to discuss your outing or party please arrange an appointment with a member of our staff.
The quad biking is to the left of the car park at the top of the grass hill.
Our Quad bikes are not kept on site and our quad bike staff are only on site on the days of bookings.
If you wish to post your payment then please send with your full details to our admin address:
ADMIN ONLY:
Essex Outdoor Activities
Oakbridge
Marlpits Road
Purleigh
Nr. Chelmsford
Essex
CM3 6RB
Site Map: Quad Biking, Quad Trekking, Childrens Go Karting Party, High Ropes Course, Secret Nuclear Bunker, Archery, Paintball, Childrens Birthday Parties, Stag & Hen Do's, Corporate Days Out, School Outings, Mobile Quad Bike Party's, Special Show Events, Quad Bike Safari, Kids Quad Bike Parties, Kids Outdoor Activity Parties, Childrens Quad Hire, Links, Quad Bike Sales, Kids Go Karting, Water Tag Maze,