If you’ve never heard of Lake Iseo, you’re not alone. Nestling shyly between chocolate-box Como and glamorous Garda, the smallest of Lombardy’s four major lakes has quietly resisted the limelight over the centuries. Fashionistas may frolic on photo shoots in Garda’s ritzy spas, while excursion boats patrol Como’s west bank in the hope of spotting George Clooney in his front garden.