When booking any activity with us at Herts Young Mariners Base you can relax in the knowledge that safety is our key priority. We set ourself very high standards and professionalism to look after your needs.

HYMB is annually inspected by a range of professional bodies including the following:


  • British Canoeing (BC)
  • Adventuremark and Learning Outside the Classroom
  • Adventurous Activity Licensing Service (AALA)
  • Health and Safety Executive
  • Ofsted
  • Herts County Council

These accreditations demonstrate our high standards in all our outdoor adventurous activities. We have many years experience of running fun, safe and challenging land and water based team building activities for individuals, schools, colleges and youth groups; with many returning year after year.