Absolutely! Here are some travel tips for your visit to Tottori, Shimane, and Yamaguchi in Japan:

Best Time to Visit:
The best time to visit these areas is during spring (March - May) and autumn (October - November). The weather is typically pleasant and the natural beauty is at its peak with cherry blossoms in spring and colorful leaves in autumn.

Route and Accessibility:
The Chugoku Region, including Tottori, Shimane, and Yamaguchi, is well served by Japan's extensive train network, so rail is the easiest and most comfortable way to move between these cities. Japan Rail Pass could be a good investment if you're planning to travel around a lot.

Altitude and Acclimatization:
Tottori, Shimane, and Yamaguchi are relatively low altitude areas so altitude sickness should not be a concern.

Accommodation and Booking:
Booking hotels or ryokan (traditional Japanese inns) in advance is recommended. Tottori Sand Dune has several accommodations around, Shimane offers guesthouses near Izumo Taisha Shrine and for Yamaguchi, you could look at staying in Shimonoseki or Yamaguchi city.

Clothing and Essentials:
Pack clothing appropriate for the season you're visiting in. Summers can be hot and humid, requiring light clothing. Winters can be quite cold, requiring warm clothing. Comfortable walking shoes are always recommended as there can be a lot of walking and exploring involved.

Health and Safety:
Japanese cuisine is generally nutritious and hygienic, but if you have a sensitive stomach, take necessary precautions. Ensure you have travel insurance that covers medical expenses in case of an emergency.

Local Etiquette and Respect:
Japanese society places a great deal on respect. Always be polite and considerate of your surroundings. Learn a few basic Japanese phrases, it will be appreciated by the locals. Remember to remove your shoes when entering someone's home or places with tatami floors.

Hope you have a great trip to Japan!