The arch is owned by the Welds family, who have held the Lulworth Estate since 1641.
The 'door' was formed approximately 10,000 years ago during the last ice age.
The site features a rare geological structure known as a 'concordant' coastline where rock layers run parallel to the shore.
The beach is composed of shingle and pebbles rather than sand, which produces a distinct sound as waves recede.
The arch is estimated to eventually collapse as erosion continues to widen the gap.
Durdle Door is a natural limestone arch formed by the erosion of the Purbeck Beds on the Jurassic Coast. The arch stands at the end of a peninsula, separating the shingle beach from the English Channel. It was created when waves breached a hard portland limestone ridge, exposing softer rocks behind it. The site is part of the Lulworth Estate and is recognized as a UNESCO World Heritage site. Access to the beach requires descending a steep, gravel-surfaced path from the clifftop car park. The coastline here is composed of alternating layers of limestone and shale, creating a distinct geological timeline visible in the cliffs. It is a popular location for coasteering and sea swimming due to the clear, sheltered waters.
The elevated grassy viewpoint on the South West Coast Path before the descent to the beach.
Wear sturdy footwear with grip, as the path from the car park is steep and can be slippery.
Check the tide charts; the beach area is significantly reduced or inaccessible during high tide.
Bring your own supplies, as there are no shops or facilities directly on the beach level.
Do not jump from the arch into the water; it is extremely dangerous due to hidden rocks and varying water depths.
Take all trash with you to preserve the UNESCO site status; keep dogs on leads near cliff edges.
