Karuizawa is a picturesque mountain resort town known for its cool climate, beautiful forests, outdoor activities, and elegant resort atmosphere. Just a short journey from Tokyo, it offers a relaxing escape with scenic cycling routes, waterfalls, historic sites, shopping, and plenty of opportunities to enjoy the surrounding nature. Below we have put together a selection of the most popular, high-ranking, and free-cancellation Viator activities in the Karuizawa area.