As the warm weather rolls in, you'll be back to finding ways to stay cool all summer long. Sure, you can try all of your standard attempts to keep refreshed in and around Melbourne this summer. A dip at the local pool is always a solid option, as is a trip to the beach. Or you can stick your head in the fridge. For those of you feeling a little more adventurous, we recommend a swim beneath one of Victoria's many beautiful waterfalls. Here are four such locations within a reasonable drive of the city.