Stonehenge Avenue a natural formation of rills with an existing astronomical alignment. The Avenue, along with Stonehenge itself, is a Scheduled Monument, first designated in the 1882 act which was the earliest legislation to protect British archaeological sites. Stonehenge Avenue Stonehenge Avenue is an ancient avenue on Salisbury plain, Wiltshire, England. It is part of the Stonehenge, Avebury and Associated Sites UNESCO World Heritage Site. Discovered in the 18th century, it measures nearly 3 kilometers, connecting Stonehenge with the River Avon. It was built during the Stonehenge 3 period of 2600 to 1700 BCE. Along some of its length The Avenue is
Stonehenge any of the linking lintels inferred in Stonehenge 3 III. The Altar Stone may have been moved within the oval at this time and re-erected vertically. Although this would seem the most impressive phase of work, Stonehenge 3 IV was rather shabbily built compared to its immediate predecessors, as the newly re-installed bluestones were not well-founded and began to fall over. However, only minor changes were made after this phase. Soon afterwards, the north eastern section of the Phase 3 IV bluestone circle was removed, creating a horseshoe-shaped setting (the Bluestone Horseshoe) which mirrored the shape of the central sarsen