Lady Gillian Deane, who was patron from 1997-2004, said the day was about celebrating "a milestone of love and care for those in our district".
"Some would have come here feeling nervous, with their first appointment, but they go home with confidence knowing with good health they can probably stay in their own home with the services available."
She said listening to patients talk about their lives was a privilege.
"I realised that this was one of the most amazing gifts that people could share with you.
"It is though we make a video of our lives and our minds and we want to share and reinforce our identity as we leave.
"As visitors we want to make people feel better - we want to take flowers or something - but sometimes just listening to what our family and friends want to tell us is what really matters.
"It's the physical presence and the acknowledge of affection that is so important."
Sue Lodge, representing staff, said, "This is an amazing celebration."
"For me it has been an amazing priviledge to work here.
"It's very special to be working with volunteers and health professionals but more more importantly the families who let us into their lives at a very vulnerable time."
She noted there was still a challenge to make palliative care understood by the general public and "not be scared of it".
