Hello! It's exciting to hear about your upcoming trip to Cairns, Townsville, Mackay, and Rockhampton. Here are some travel tips:

Best Time to Visit:
The best time to visit these cities in Australia is during the Australian winter, which is from June to August. This period offers cooler and less humid weather, making outdoor activities more comfortable.

Route and Accessibility:
Your trip can start from Cairns. The city is served by Cairns Airport, with flights from many international destinations. You can then travel south, visiting Townsville, Mackay and Rockhampton in that order. The cities are well-connected by road and train routes.

Accommodation and Booking:
Varieties of accommodations are available in these cities, ranging from luxury hotels to budget hostels. Booking through online platforms like Booking.com or Airbnb can give you a wide range of options to choose from. It's recommended to book in advance, especially during the peak season.

Clothing and Essentials:
Pack lightweight, breathable clothing for your trip, along with a good pair of walking shoes. Don't forget a hat, sunscreen, and sunglasses to protect yourself from the sun. Also add a light jacket or sweater for cooler evenings. Essentials would include personal identification, cash or credit cards, and a basic first-aid kit.

Health and Safety:
Stay hydrated and use sun protection to avoid heat-related illnesses. Always be aware of your surroundings, especially in crowded tourist areas where pickpockets may be present. In Cairns, be cautious of marine stingers if you plan on swimming or snorkeling.

Local Etiquette and Respect:
Australians are known for their laid-back and friendly nature. Respect local customs and traditions. Tipping is appreciated but not mandatory. Dispose of litter responsibly to maintain the cleanliness and beauty of the places you visit.