If you’re trying to find day-trip ideas from Feldkirch, you certainly aren’t going to be let down! Füssen Old Town, just 55 miles away, offers some fantastic attractions that’ll keep you occupied. Want an excuse to check it out? St. Mang’s Abbey and State Gallery in the High Castle ought to work nicely. If you need any more convincing, also think about Barockbasilika St. Mang.