Outdoor Activities Hertfordshire
Everyone deserves to experience fun activities outdoors
Fun and Safe activities
Get outdoors
Feel great
Great outdoor activities for all ages
The Herts Young Mariners Base (HYMB) is an outdoor activity centre in Cheshunt, Hertfordshire that offers a variety of exciting options to get you out and about. Whether you’re a seasoned adventurer or a complete beginner, HYMB has something for everyone. HYMB caters to all ages and abilities, so you can be sure to find outdoor activities that suit your interests. Most activities require booking in advance, so be sure to check availability.
How it works
1. Choose Activity
We have lots of fun activities for all ages.
2. Book Your Session
Book your session online or call us for large groups.
3. Have Fun & Get Fit
Enjoy your activity, become healthier and make new friends.
Google Reviews
Why choose Herts Young Mariners Base
Experience
63+ YearsOf Outdoor Activities
At HYMB our instructors hold the relevant qualifications and are checked & tested regularly.
Trust
- 5
Based on 80 reviews
We have over 100 Google reviews.
Our Promise
Better self-confidence and social interaction.
