When is Windsor Great Park Illuminated? 13 April 2026 08:39 Updated Dates for 2026 are yet to be confirmed. Keep an eye on our website and social media pages for all the latest updates! Related articles How long does it take to complete the trail? What are the opening hours? What is Windsor Great Park Illuminated? If I have booked an entry slot how long can I stay for? Are there toilets at the trail?