What are the opening hours? 14 July 2026 09:49 Updated Tickets are sold as timed entry, in 15 minute slots, with last entry at 8:30pm. The light trail closes at 10.30pm sharp. Related articles Will the event be cancelled in bad weather? How long does it take to complete the trail? I am running late for my entrance slot, what do I do? If I have booked an entry slot how long can I stay for? What is Windsor Great Park Illuminated?