According to research made by local historians tribute was paid to St Oswald for water cures .
Local historians are a tradition of well dressing in the Malverns dates from the 12th and 13th centuries when around 5 August each year .
According to research made by local historians , a tradition of well dressing in the Malverns dates from the 12th and 13th centuries when around 5 August each year , tribute was paid to St Oswald for water cures .