Beautiful blue lagoon dyed black as attraction declared 'not a safe place to visit'

Beautiful blue lagoon dyed black as attraction declared 'not a safe place to visit'The Blue Lagoon attracts visitors with its turquoise waters, but its highly alkaline, dangerous water has prompted authorities to dye it black to deter swimmers Share Article Share Article Facebook X LinkedIn Reddit Bluesky Email Copy Link Link copied Bookmark Add us as preferred source Comments By Emily Malia 07:00, Tue, Jun 2, 2026 Visitors have been warned of the dangers (Image: BPM MEDIA)What looks like a serene lake in the mountains of Switzerland is, in reality, a disused and treacherous quarry nestled in the heart of the Peak District. window.scriptsToLoad.push({url:'https://live.primis.tech/live/liveView.php?s=118222&vp_content=plembed3a6btjknzwqh&cbuster=%%CACHEBUSTER%%&playerApiId=v118222',triggeredBy:'tcfLoaded',delay:1500,containerId:'ovp-primis',title:"Primis player",beforeLoad:()=>{window.top.addEventListener('primisPlayerInit',e=>{try{if(e.detail&&e.detail.playerApiId==="v118222"){if(window.document.getElementsByClassName('jwplayer')[0]){e.detail.float('disable')}}}catch(e){}})},}) Visitors have been drawn to the Blue Lagoon for years, enticed by its striking turquoise waters and the prospect of a swim amid spectacular white rock formations. Yet what many fail to appreciate is that not only is this strictly forbidden, but it also carries serious health risks. Article continues below ADVERTISEMENT Get travel news and expert holiday advice plus selected offers and competitions Subscribe Invalid emailWe use your sign-up to provide content in ways you've consented to and to improve our understanding of you. This may include adverts from us and 3rd parties based on our understanding. You can unsubscribe at any time. Read our Privacy PolicyDespite its alluring blue hue, the water at Harpur Hill, Buxton, is in fact highly alkaline with a pH level comparable to bleach, making it extraordinarily hazardous to swim in. Bathers are further cautioned that the deceptively tranqu...