Warning issued about ‘dangerous’ UK lake - ‘life-threatening risks’

Warning issued about ‘dangerous’ UK lake - ‘life-threatening risks’Visitors have been warned that the water is 'extremely hazardous' and can cause 'significant health issues'. Share Article Share Article Facebook X LinkedIn Reddit Bluesky Email Copy Link Link copied Bookmark Add us as preferred source Comments By Eleanor Burleigh 22:24, Fri, May 29, 2026 Updated: 22:26, Fri, May 29, 2026 Visitors have been warned to avoid the 'toxic' area (Image: Nigel Cox / Chinnor: Flooded chalk quarry & SSSI / Wiki Commons)Brits looking to cool off during the heatwave have been warned against swimming in a disused quarry with "extremely hazardous" water. Thames Valley Police issued a statement this week urging visitors to resist the urge to take a dip in Chinnor Quarry in Oxfordshire amid a flurry of social media posts "encouraging others to attend and swim". 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){}})},}) The force said: "The quarry poses serious and potentially life-threatening risks. The water is extremely hazardous and can cause significant health issues, and the site is surrounded by steep cliff faces with unstable ground. Entering the water or climbing within the quarry can quickly lead to serious injury or worse." Article continues below ADVERTISEMENT Get the day's biggest headlines in UK and World news and more 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...