Hello! That's a wonderful choice, exploring Adelaide, Coober Pedy, and Alice Springs. These destinations offer a good mix of urban, cultural, and natural experiences. Here are a few travel tips you might find useful.

Best Time to Visit:
The best time to visit Adelaide is from March to May and September to November, during the fall and spring, when the weather is mild and outdoor activities are enjoyable. For Coober Pedy and Alice Springs, the period from April to October is considered best as temperatures are more bearable then.

Route and Accessibility:
You can initially land in Adelaide. From there, frequent flights are available to Coober Pedy and Alice Springs, or if you prefer to go by road, you can hire a car or use bus services.

Accommodation and Booking:
Adelaide, as a city, offers various options from budget to luxury hotels. In Coober Pedy, you can even experience unique underground accommodations. Alice Springs has a mix of hotels and backpacker accommodations. It's always better to book your stay in advance using trusted online platforms or direct hotel websites.

Clothing and Essentials:
Carry lightweight clothing for the day and thermal wear for cooler nights. Always have a good hat, sunscreen, and plenty of water on hand, especially in Coober Pedy and Alice Springs. Don't forget your hiking shoes if you plan to explore natural attractions.

Health and Safety:
Ensure your travel insurance is up to date, as remote areas can be expensive to reach in case of emergencies. Don't forget your medications and first-aid kit. Keep yourself hydrated, and be mindful of the heat in desert areas.

Local Etiquette and Respect:
Australia is quite multicultural and relaxed in terms of etiquette. However, in places like Alice Springs where indigenous culture is strong, it's important to respect local customs, traditions, and sacred sites. Get permission before photographing people or certain places.