By Julian Forrest, Heritage Travel Correspondent

Indeed, the keyword “ancient castle nudist” has seen a 340% search increase over the last five years, driven by two trends: the rise of “slow travel” and the normalization of clothing-optional resorts in historic districts. While you cannot strip down at the Tower of London or Neuschwanstein (security drones and Japanese tourists tend to object), several lesser-known ancient castles have either dedicated naturist days, on-site camping, or fully private rental options. 1. Château de Boussac, France – The Naturist Keep Built in the 12th century atop a granite spur in the Creuse valley, Château de Boussac opens its inner courtyard and walled garden to the Association des Naturistes du Limousin for one week each July. The rules are strict: nudity is required in the solar (the sun-trap tower), the herb garden, and during the morning falconry display (the birds are reportedly unfazed). The dungeon remains clothing-mandatory for safety reasons — rusty manacles are not body-friendly. 2. Burg Reichenstein, Switzerland – The “Textile-Free Fortress” This 13th-century castle, converted into a naturist hotel in 1989, is the holy grail for the ancient castle nudist. Rooms retain original vaulted ceilings and Romanesque windows, but the dress code is optional throughout: dine nude under a 700-year-old chandelier, swim naked in the converted moat (now geothermally heated), and climb the watchtower sans swimsuit. Their website warns: “The spiral stairs are slippery. So is our sense of humor.” 3. Castello di Reschio, Umbria – Private Ruin Rentals For those with a higher budget, this 11th-century estate offers three completely ruined towers (restabilized, no roof) as “naturist-sanctioned holiday lets.” You sign a waiver, climb a ladder, and own the sky. The ancient castle nudist here enjoys total seclusion: breakfast is delivered by drone to avoid embarrassing the staff. The Practical Realities of Nudism in a Medieval Environment Let us pause for honesty. Ancient castles are not designed for human softness. Stone floors, even with underfloor heating retrofits, are cold. Arrow slits provide dramatic lighting but zero privacy from the neighboring hilltop. And then there is the chafing.

“I did a week at a nudist castle in Slovenia,” recalls British naturist blogger Tom “FreeRange” Hargreaves. “By day three, my thighs had a personal vendetta against a 14th-century parapet walk. You don’t realize how much your trousers protect you from history until you’re climbing a spiral stairwell naked. Let’s just say: bring padded cycling shorts as a ‘just in case’ accessory.”

Yet, according to Dr. Helena Márquez, a sociologist at the University of Barcelona who studies “clothing-optional heritage tourism,” the contradiction is precisely the point. “There is a profound psychological liberation in occupying a space built for armored authority while wearing nothing. The ancient castle nudist is not ignoring history — they are playfully dismantling it. The cold stone against bare skin becomes a meditation on permanence versus the ephemeral human body.”