About Us

We provide adventure and fun activities for school groups and youth groups at our site in Dorking, Surrey.

Award winning assault course in Dorking, Surrey

We are an activity centre based in Dorking that offers an assault course challenge specifically designed with school groups, youth groups and public service students in mind.

With over 60 man-made and natural obstacles, our assault course is challenging but fun. Children are encouraged to work together as teams, building relationships and finishing with a new found confidence.

Our team of instructors here at LYA are experienced in the delivery of all sorts of challenging activities, we provide a unique experience action packed to test everybody that comes to us, but the final guarantee is that everyone will have Fun Fun Fun!

Our venue is also home to The Nuts Challenge – You can experience part of this tough mud challenge with our Assault Course – everyone leaves extremely muddy!


Assault Course

Looking for the ultimate challenge?
Book now for our award winning assault course based in Dorking, Surrey!
With over 40 man-made and natural obstacles, tunnels, tyres, rope swing, water dippers and more...
This is a challenging but extremely fun assault course. Plus includes lots of MUD!

PRICE: £25

This is our number one selling activity – Voted the UK’s muddiest, toughest obstacle course 2017 and 2018!

Our famous assault course has been featured on Sky Sports, Britain & Ireland’s Next Top Model, Sports Relief 2012, Fat Families, Soccer AM, Chris Evans and Johnny Sporting Challenge, Disney Goalmouth, Mr World and BBC This Week.

We are also home to the famous Nuts Challenge, which is held twice a year and incorporates our assault course. 

 This activity is fantastic for children of all abilities, it will push them to their limits whilst being positively encouraged throughout the course. Working as a team they will learn…


The course includes over 40+ natural and man-made obstacles plus plenty of mud! The benefits are remarkable as working in teams they will learn new skills and realise their true potential:

Below are key learning outcomes from the Assault course activity.

Boosts morale and motivation

Builds trust  and strengthen’s relationships

Increases confidence and motivation

Enhances concentration and creativity

Communication skills and problem solving

Everyone works together as a TEAM!!

Each student will learn to work together and build TRUST

Builds Builds Confidence and motivation!

Our Assault Course is suitable for everyone of all fitness

For more information please contact us



Our team are all highly experienced in working with Youth Groups and Outdoor events.

Wayne Monkman
Wayne Monkman

Wayne Monkman

On-site Director

Wayne is our chief instructor and knows how to achieve the best from each and every student!

Wayne Monkman

Wayne Monkman

On-site Director

Wayne is our chief instructor and knows how to achieve the best from each and every student!


Henfold Lakes, Henfold Lane, Dorking, Surrey RH5 4RW

Located approximately 50 minutes from central London and just 10 minutes from Gatwick.

Trains run direct from London Victoria and Waterloo every 10 minutes to Dorking station.

We also have parking facilities for up to 4 coaches and minibuses.

Contact us for more details

Any queries - large or small we can help you!