Rising from the highland plains 31 miles south of Ecuador’s capital, Quito, is the imposing and much-feared volcano named Cotopaxi. At 19,347ft (5,897m) it is said to be the world’s second-highest active volcano with more than 50 known eruptions. Up until October 2017, Cotopaxi, which sits on the Pacific Ring of Fire, was closed to … More Cotopaxi: Hiking one of the highest active volcanoes in the world