Cueva de Nerja joins Science Week with three free events The Cueva de Nerja has organised three free activities for Science Week 2026, opening the cave's scientific, climatic and archaeological side to visitors. The Cueva de Nerja is best known as a show cave, the vast limestone cavern near Maro that draws visitors by the hundreds of thousands to walk beneath its stalactites. This November it will also be a classroom. The team behind the cave has organised three free activities for Science Week 2026, inviting the public to look at the cavity the way researchers do: as a scientific archive, a climate record and one of the most important archaeological sites on this coast. The programme, announced this week, combines visits and outreach proposals designed to reveal the scientific, climatic and archaeological sides of the cave. The activities are free of charge and form part of Science Week, the annual initiative held every autumn that opens laboratories, museums and research sites to the general public across Spain. Few participants in the province can offer as much science behind a single ticket counter. That is not an exaggeration. The cave entered modern history in 1959, when, as the story goes, a group of boys from Maro chasing bats through a narrow sinkhole found themselves inside galleries far larger than anything they imagined. The chambers they wandered into turned out to hold one of the richest sets of prehistoric remains in southern Spain: human occupation stretching back through the Neolithic and into the Paleolithic, with pottery, tools and rock art that researchers have studied and argued over for more than sixty years. The geology is just as eloquent. Stalactites and stalagmites grow in layers, and each layer locks in a chemical record of the water that dripped through when it formed. Scientists read those layers the way dendrochronologists read tree rings, using them to reconstruct rainfall, droughts and temperature shifts across tens of thousands of years. A cave like this is, among other things, a climate diary written in stone, which is exactly the kind of material that Science Week exists to explain to non-scientists. Visitors on the Science Week activities can expect guided visits built around that perspective: what excavations have shown about the people who used the cave, how the rock art is studied and protected, what the formations say about ancient climates, and how a site like this is conserved while remaining open to the public every day of the year. The famous Órgano, the column whose hollows resonate like organ pipes, tends to feature too, part geology and part showpiece. The practical details matter. The activities are free, but free events at the cave have a habit of filling quickly, and schedules can be adjusted once the full Science Week programme is confirmed, so the reliable move is to check the cave's own official channels for dates, times and registration before travelling. The cave sits a few minutes from Nerja town centre on the road towards Maro, easily combined with a morning at the Balcón de Europa, and late-season visitors get the added benefit of arriving outside the summer crowds. For Nerja, the initiative is more than an outing. The cave is the town's flagship attraction alongside the Balcón de Europa, and its foundations, excavations and publications give the town a cultural weight that beach resorts rarely have. Events that deepen the scientific side of the site attract a different kind of visitor in the quieter months, the kind who stays for talks and guided walks rather than a half-hour circuit, and that is the segment Nerja's shoulder season is built to court. There is also something quietly satisfying in the idea itself. Most people see the cave once, on holiday, as scenery. Science Week offers a second visit in a different register, with the lights lower and the questions harder: who sheltered here, what did they eat, what did the climate do, and how do we know any of it. The cave has been answering those questions professionally for decades. For three activities in November, anyone can listen in, free of charge, standing in the same chambers where the answers were dug out of the floor.