Individual Membership Donate Fundraise By becoming a Member you are entitled to…. Admission to the Gardens, Arboretum and way marked walks. A pass code to the Gardens and Arboretum giving you access on days when it is normally closed, and use of a designated car park. Your code also gives you access to the toilet located next to the Coach House. Details of forthcoming events sent directly to you. A complimentary copy of the Trust’s quarterly newsletter which includes articles about Marks Hall and details of new and future developments.