Shiga Highlands is noteworthy for its skiing, and you can make a stop at top attractions like Shiga Kogen Ski Area and Hasuike Ski Area.
Echo Land might not have many top sights, but Hakuba Happo-One Ski Area and Happo-one Adam Gondola are two attractions nearby that you can check out.
You'll enjoy the museums and waterfalls in Tsumago-juku. You might want to make time for a stop at Tsumago Honjin or Nagiso-machi Museum.
You'll enjoy the restaurants and museums in Kyukaruizawa. You might want to make time for a stop at Karuizawa New Art Museum or Kumoba Pond.
While visiting Minaminagano, you might make a stop by sights like Junen-ji Temple and Saisho-in Temple.