Harvey Owen, 17, Jevon Hirst, 16, Wilf Fitchett, 17, and Hugo Morris, 18, were found in their crashed Ford Fiesta near Snowdonia National Park on Tuesday after being reported missing.
Crystal Owen, whose son Harvey was among four found dead in an overturned car after an urgent police search, has paid tribute to her "quirky" and "charismatic" son.
Mother of boy killed in North Wales crash describes gutwrenching feeling iwradio.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from iwradio.co.uk Daily Mail and Mail on Sunday newspapers.