If you are an adventure lover and an avid trekker, the chances are that you would have already tried night hiking. However, have you tried scaling up a mountain at night with the neon light hues of the cityscape in the background? If this prospect piques your curiosity, opt for a scrambling session with the HK outsider. Though it might sound a bit of an arduous activity, it would be fun as you will have to climb atop a peak by combining hiking and climbing. This activity could also be eventful if you are trying to enjoy your holidays without gaining those pesky vacation calories.