About Us...

Herts Young Mariners Base, known as HYMB, has been offering outdoor adventurous activities for over 50 years. HYMB works with both young people (aged 9 and over) and adults. Whether as individuals or as part of a group. If you are looking for a one off taster in an activity, a full course, fun day out with family or friends or to work towards more specific goals, HYMB will have something for you!

Featured Activities

Picture of Junior Summer Holidays

Junior Summer Holidays

  • HYMB Junior Membership required
  • Fun introductory sessions
  • Learn the basics
  • No experience necessary
  • Suitable for ages 9-18 yrs
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Picture of Junior PaddlePower Passport Levels 2-5

Junior PaddlePower Passport Levels 2-5

  • HYMB Junior Membership Required
  • BCU Paddlepower Start required
  • For ages 9-18 years old, allowing them to progress through elements of their PaddlePower Passport.
  • You will use a variety of boats during the course which will also include a journey in the Lea Valley Park suitable to your level of ability.
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Picture of Juniors Beginners Climbing

Juniors Beginners Climbing

  • HYMB Junior Membership Required
  • A fun 2 day course for those aged 9-18 years.
  • Learn skills and techniques used in climbing.
  • Work towards the NICAS Level 1 and 2 award.
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Picture of Junior Introduction to BCU Paddlesports

Junior Introduction to BCU Paddlesports

  • HYMB Junior Membership Required.
  • This course leads to the BCU PaddlePower Start award.
  • No Experience required.
  • For ages 9-18 years old.
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Picture of Junior Inflatables @ LVWWC

Junior Inflatables @ LVWWC

  • For Junior Members aged 13-18
  • Suitable for those with Paddle Power Start and above.
  • An exciting chance to try kayaking on the Lee Valley White Water Centre in inflatable kayaks.
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