Opening times Our opening hours in 2018 and 2019 are as follows: MONTH DAYS TIMES November - March Friday, Saturday and Sunday 10am until 4pmLast admission at 3pmCar park closes at 4.30pm Christmas Opening Marks Hall will be closed from Monday 24th December until Saturday 29th December. We will open on Saturday 29th December and Sunday 30th December. From 4th January 2019 we will open on Friday, Saturday and Sunday. Open February Half Term 18th - 24th including Monday Monday to Sunday 10am until 4pmLast admission 3pmCar park closes at 4.30pm April - End October Tuesday to Sunday and Bank Holidays 10am until 5pmLast admission at 4:30pmCar park closes at 6pm Members please show a valid membership card. Dogs are welcome on our Woodland Walks. The Arboretum is a dog free zone. Click here for more details.