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Epic Drone Flight at South Walls

The red sandstone cliffs of South Walls, Orkney, are a striking geological feature that showcases the island’s ancient past. These cliffs are part of the Old Red Sandstone formations that dominate much of Orkney and Hoy, dating back around 400 million years to the Devonian period. They were formed when this region was a vast desert near the equator, with rivers depositing layers of sediment that eventually compacted into rock. Key Features of the South Walls Cliffs: • Distinctive Red and Yellow Bands: The cliffs display layers of sandstone, often with a reddish hue due to iron oxide, creating a striking contrast with the sea. • Erosion and Sea Stacks: Over millions of years, wind and wave erosion have shaped the cliffs, forming sea caves, arches, and stacks similar to those found on Hoy, though generally on a smaller scale. • Wildlife Haven: These cliffs are home to seabird colonies, including fulmars, kittiwakes, and occasionally puffins, making them an important ecological site. Comparison to Hoy’s Cliffs: While South Walls has impressive cliffs, they are not as tall as the 1,137 ft (346 m) cliffs of St. John’s Head on Hoy. However, they still provide dramatic coastal scenery and historical significance, particularly due to their proximity to Scapa Flow, a key naval anchorage during both World Wars. If you’re exploring the area, the cliffs offer fantastic opportunities for photography, particularly at sunrise or sunset when the red sandstone glows in the light.