I note they are not yet ATOL etc affiliated yet, but check this out
8-14 September Monaco and the Alps
Starting with a cruise through Central France we will visit historic Mont Ventoux (weather permitting); skirt across the stunning Montagne de Lure and Grand Canyon de Verdon; stay amongst the glamour of Monaco; retrace parts of the Monaco and San Remo stages of the Word Rally Championship; whisk past the Italian Lake Maggiore; indulge in some of the stunning yet precipitous Swiss Alpine Passes (weather permitting); motor through the Black Forest; sample the terrifying delights of the infamous Nordschleife at Nurburg before returning back to the UK via Chimay in Belgium.
There are others at dettaglio.co.uk