Hertfordshire's outdoor education centre

Herts Young Mariners Base outdoor centre, known as HYMB, has been delivering high quality outdoor education sessions to adults and young people for over 50 years.

We offer a variety of adventurous outdoor activities to anyone aged eight and over. We can provide tailored sessions for individuals, schools, colleges and youth groups


 


Featured Activities

Picture of Junior February Half Term

Junior February Half Term

  • Limited Space left
  • 2017 Holiday program
  • HYMB Junior Membership required
  • Land and water based activities available
£7.50
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Picture of Junior Easter Holidays

Junior Easter Holidays

  • Limited time special offer 3rd-7th April for just £100
  • HYMB Junior Membership required
  • Land and water based activities available
  • Full week for £120
£15.00
More Info