The length of your stay in Switzerland will depend on your interests, the location of the areas you want to visit, and your personal preferences. If you're interested in skiing or other winter sports, you might want to spend more time in the Swiss Alps. If you're more interested in city sightseeing and cultural experiences, you might want to focus on visiting cities like Zurich and Geneva. A stay of 7-10 days is a good option for a more moderate trip that involves visiting multiple areas of Switzerland. For a longer, more extensive trip that covers a variety of locations in Switzerland, a stay of 10-14 days might be a good fit.