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If you want to add a sense of adventure to your experience of crossing an international border, you can hike instead of walking at this unique spot. Mont Dolent is the tripoint where Switzerland, Italy, and France converge. Beware that this is an advanced trek and not ideal if you have never tried mountain climbing. Here, mountaineers can have one foot in each of these three great Alpine countries while catching some of the most scenic views that Europe has to offer.