The Flower Bulb Route is an excellent route for springtime cycling. Don't miss the province of North Holland where the flowers in the bulb fields between Haarlem and Sassenheim (near Leiden) are in bloom at the end of April. Along this route you will pass the world-famous Keukenhof Gardens (open from the end of March till the end of May) and tulip fields with beautiful reds, yellows, and purples. The 19-mile flower Bulb Route can be purchased from the VVV (Tourist Information Office) in Lisse.