📜 Historic industrial site, protected as a Scheduled Monument, active since 16th century, located in Ravenscar, England.🔍 Remnants of 19th-century alum production with spectacular coastal views. Well-preserved remnant of England's alum industry, once a major alum production factory, notably using human urine for textile dyes.# Why Go🌊 Breathtaking panoramas of Robin Hood's Bay and the North Sea🏭 Explore industrial archaeology and historical alum processing📜 Explore ruins of a 16th-century industrial site🚶 Great walk along the Cleveland Way💡 Learn history from interpretation boards🌳 Site protected by the National Trust# Why Avoid⚠️ Steep concrete road, not suitable for wheelchairs or unsteady feet🏗️ Limited physical remains of the original works# Tips👟 Wear sturdy shoes for the steep path🚽 Toilets available near National Trust visitor centre🚶‍♀️ Incorporate into a longer walk on the Cleveland Way💡 Information boards on-site explain the alum production process and the ruins.# Cost💰 No admission fees.# Hours🕒 Open at all times, daylight hours best for views.