Long Man of Wilmington: Solstice & Equinox Discoveries
The Wilmington Giant
The Long Man of Wilmington on Windover Hill, East Sussex, features precise solar alignments at the solstices and equinoxes discovered by archaeoastronomer Stuart Mason, earning it comparisons to a "Stonehenge of the East."
Visitors can explore the full scope of these findings, including books, guided walks, and video resources, directly through the available material.
A 1710 archival drawing reveals that the figure appeared differently in the past, contributing to ongoing modern research and historical debate.
4.44pm Equinox Shadow
30 Years of Archaeoastronomical Research
For more than three decades, archaeoastronomer Stuart Mason has been investigating the world's most mysterious ancient landscapes and sacred monuments. After years of field studies at historic sites across the globe, he turned his expert focus toward the complex landscape geography of East Sussex, uncovering the hidden astronomical secrets of the Long Man of Wilmington.
Through persistent, multi-year on-site tracking and calculations, Stuart's definitive fieldwork has successfully mapped out precise solar alignments connecting the chalk giant directly to the solstices, equinoxes, and major cross-quarter days. Rather than treating the giant as an isolated piece of hill art, his research reveals that the figure functions as part of a highly sophisticated prehistoric seasonal calendar.
These groundbreaking discoveries are detailed extensively in his landmark book, The Long Man of Wilmington: Decoded. His compelling findings have also been broadcast internationally via the popular MegalithomaniaUK YouTube channel and continue to be shared with audiences worldwide through his captivating live presentations and lectures.
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The Long Man of Wilmington: Decoded
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Watch the Equinox shadow glide across the Long Man
Ancient & Sacred Sites Walking Tours
Step off the beaten path and immerse yourself in the deep prehistory of the South Downs. Our exclusive, custom-tailored guided walking tours offer a rare opportunity to explore the ancient landscape, hidden earthworks, and sacred monuments that surround the Long Man of Wilmington.
Led directly by experienced researchers, these immersive journeys connect you to the prehistoric features, barrows, and trackways that trace their way across Windover Hill and the historic South Downs Way.
Whether you are looking for a deep dive into landscape archaeoastronomy or wish to experience the powerful atmosphere of these ancient places, our walks are crafted to provide an unforgettable encounter with the past. Tours can be fully customized to suit your schedule, offering comprehensive itineraries ranging from single-day excursions to profound three-day historical expeditions.
Immersive Learning: Discover how the ancient builders utilized the natural geography of the Sussex downs to track the sky.
Small-Group Intimacy: To ensure a high-quality, personal experience, tours are strictly limited to a maximum of 10 people per group.
Bespoke Pricing: Full-day guided tours are available at £100 per person.
Booking & Custom Itineraries: Due to high seasonal demand around solar events, spaces are limited.
Please get in touch via our site contact form to enquire about upcoming available dates, private group bookings, and custom pricing configurations.
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The Long Man Summer Solstice: Decoded
Uncover the celestial secrets hidden within the Sussex hills. Our comprehensive research brings you face-to-face with the Long Man Summer Solstice discovery, a breathtaking solar alignment that transforms Windover Hill into a giant prehistoric calendar. On the longest day of the year, the ancient chalk giant interacts with the rising and setting Sun in a brilliant display of light, remaining fully illuminated from dawn until dusk while tracking the absolute northern limit of the solar journey.
The mystery deepens as the year progresses. This guide reveals the extraordinary equinox shadow phenomenon, an exact, repeatable event that occurs during both the Spring and Autumn Equinoxes. At precise moments in the late afternoon, the unique contours of the local Sussex horizon block the sun, casting a sharp diagonal shadow that splits the 235-foot figure perfectly between blinding light and deep darkness.
By tracking these visual markers alongside traditional cross-quarter days, you will learn exactly how the changing position of the Sun interacts with the Long Man throughout the year. Explore the math, the mythology, and the empirical fieldwork that proves this spectacular site was intentionally designed to mirror the rhythms of the cosmos.