(Nature, Culture, Adventure, and Hidden Spots)If you’re planning a day trip (or even an overnight getaway) from Seoul, Gapyeong might be the best-kept secret — just 90 minutes away by train. Nestled along the Bukhangang River, this region is beloved by locals for its water sports, quiet gardens, photo-worthy cafés, and hidden gems. This guide introduces four themed itineraries tailored to your t..