Morning: Hike the Mount Usu Trail and see the sulfuric steam vents. Afternoon: Have a picnic by the Lake Toya and take a relaxing dip in one of the hot springs. Evening: Visit the Showa Shinzan Ropeway and watch the sunset over the volcanic crater.
Morning: Take the Kurodake Ropeway and enjoy the panoramic view of the park. Afternoon: Hike the Asahidake Summit Trail and see the active volcano. Evening: Relax in the natural hot springs of Sounkyo Onsen.
Morning: Take a boat tour to see the Shiretoko Goko Lakes and watch the brown bears. Afternoon: Visit the Shiretoko Nature Center and learn about the local flora and fauna. Evening: Have dinner at the Shiretoko Village and try the fresh seafood.
Other attractions and experiences to consider are the Furano and Biei Flower Fields, the Otaru Canal, and the Sapporo Summer Festival. For a side trip, visit the Asahiyama Zoo and see the penguins and polar bears. To maximize your fun, rent a car and explore the countryside at your own pace. Lastly, try the local delicacies such as the Hokkaido milk and the Jingisukan lamb.