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 and can provide tailored sessions for individuals, schools, colleges and youth groups
Don't miss out
- HYMB Junior Membership required
- Book stage 1 and 2 together for £200
- HYMB Junior Membership is no longer required
- Book level 1 and 2 to 5 together for £150