7-Day Itinerary: Tokyo, Sendai, Ginzan Onsen, Mount Zao, Oufukazawa Bridge, Karuizawa, Kaga Onsen, Kyoto, Amanohashidate, Ine, Kobe, Tokyo

Day 1: Tokyo

In the morning, explore the historic district of Asakusa and visit Senso-ji Temple, the oldest temple in Tokyo. Enjoy a traditional Japanese lunch at one of the local restaurants. In the afternoon, immerse yourself in the vibrant atmosphere of Shibuya and experience the famous Shibuya Crossing. End the day with a visit to Tokyo Tower for panoramic views of the city.

• Senso-ji Temple: Estimated Cost - Free, Time Spent - 2 hours
• Shibuya Crossing: Estimated Cost - Free, Time Spent - 1 hour
• Tokyo Tower: Estimated Cost - 1,200 yen, Time Spent - 2 hours

Day 2: Sendai

Start your day by visiting Matsushima, one of Japan's Three Most Scenic Spots. Take a boat tour around the picturesque islands and enjoy the natural beauty. In the afternoon, explore the historic sites of Sendai, including Sendai Castle and Zuihoden Mausoleum. End the day with a delicious bowl of gyutan (grilled beef tongue), a local specialty.

• Matsushima Boat Tour: Estimated Cost - 1,500 yen, Time Spent - 2 hours
• Sendai Castle: Estimated Cost - 500 yen, Time Spent - 1 hour
• Zuihoden Mausoleum: Estimated Cost - 550 yen, Time Spent - 1 hour

Day 3: Ginzan Onsen and Mount Zao

Start your morning by soaking in the charming atmosphere of Ginzan Onsen, a historical hot spring town. Take a stroll along the picturesque streets lined with traditional ryokans. In the afternoon, head to Mount Zao and take a cable car ride to enjoy the stunning panoramic views of the surrounding mountains and the famous "Snow Monsters" in winter. End the day with a relaxing dip in an onsen.

• Ginzan Onsen: Estimated Cost - Free, Time Spent - 2 hours
• Mount Zao Cable Car: Estimated Cost - 2,200 yen, Time Spent - 2 hours
• Onsen Experience: Estimated Cost - 1,000 yen, Time Spent - 1 hour

Day 4: Oufukazawa Bridge

Start your day by visiting the stunning Oufukazawa Bridge, known for its beautiful reflection on the water. Enjoy a peaceful walk along the bridge and take in the scenic views of the surrounding nature. In the afternoon, explore the nearby hiking trails and have a picnic amidst the serene environment. End the day with a visit to a local cafe for a cup of freshly brewed coffee.

• Oufukazawa Bridge: Estimated Cost - Free, Time Spent - 2 hours
• Hiking Trails: Estimated Cost - Free, Time Spent - 2 hours
• Local Cafe: Estimated Cost - 500 yen, Time Spent - 1 hour

Day 5: Karuizawa

Start your morning by exploring the charming town of Karuizawa, known for its beautiful nature and shopping outlets. Visit Kyu-Karuizawa Ginza, a historic shopping street, and indulge in some local treats. In the afternoon, take a leisurely walk around Lake Shiozawa and enjoy the peaceful surroundings. End the day with a visit to one of the hot springs in the area for a relaxing bath.

• Kyu-Karuizawa Ginza: Estimated Cost - Free, Time Spent - 2 hours
• Lake Shiozawa: Estimated Cost - Free, Time Spent - 1 hour
• Hot Springs: Estimated Cost - 1,500 yen, Time Spent - 2 hours

Day 6: Kaga Onsen and Kyoto

Start your day by visiting Kaga Onsen, a famous hot spring town. Explore the various public baths and soak in the healing waters. In the afternoon, head to Kyoto and visit Kinkaku-ji, the Golden Pavilion, known for its stunning architecture. Take a stroll through the beautiful Arashiyama Bamboo Grove and end the day with a traditional kaiseki dinner.

• Kaga Onsen: Estimated Cost - 1,000 yen, Time Spent - 3 hours
• Kinkaku-ji: Estimated Cost - 400 yen, Time Spent - 1 hour
• Arashiyama Bamboo Grove: Estimated Cost - Free, Time Spent - 1 hour

Day 7: Amanohashidate, Ine, and Kobe

Start your day by visiting Amanohashidate, one of Japan's Three Scenic Views. Take a scenic chairlift ride or rent a bike to enjoy the breathtaking sandbar. In the afternoon, visit the traditional fishing village of Ine and take a boat tour to admire the unique row of "funaya" houses. End the day in Kobe, exploring the vibrant streets of Chinatown and enjoying a delicious Kobe beef dinner.

• Amanohashidate: Estimated Cost - 1,000 yen, Time Spent - 3 hours
• Ine Boat Tour: Estimated Cost - 2,000 yen, Time Spent - 1 hour
• Kobe Chinatown: Estimated Cost - Free, Time Spent - 1 hour
• Kobe Beef Dinner: Estimated Cost - 10,000 yen, Time Spent - 2 hours

Hidden Gems and Local Favorites

For a hidden gem, consider visiting the quaint town of Kamakura, just a short train ride from Tokyo. Explore the famous Great Buddha statue and enjoy the peaceful atmosphere of the temples and shrines. Locals also love Yokohama, a vibrant city with beautiful waterfront views, shopping malls, and a lively nightlife scene.