Hi everyone, We are a Dutch couple and are planning a 6 to 7 weeks trip to Australia starting September 7, 2026, and we would love some advice

The trip combines cities, beaches, national parks, cultural experiences, and rest days. Here’s a day-to-day overview, created with the help of ChatGpt so there may still be some nonsense in there .
Thanks in advance for all comments and suggestions.
Day 1 – Cairns: Arrival, free afternoon/evening
Day 2 – Cairns / Great Barrier Reef: Snorkeling/diving, Port Douglas sail/snorkel trip
Day 3 – Daintree Rainforest: Cape Tribulation with Aboriginal guide
Day 4 – Atherton Tablelands: Waterfalls, local cheese, wine & coffee
Day 5 – Mission Beach: Beach walk
Day 6 – Mission Beach: Relax day at the beach
Day 7 – Townsville / Magnetic Island: Koalas, wallabies, historic forts
Day 8 – Airlie Beach
Day 9 – Whitsundays: Sailing, snorkeling, Whitehaven Beach
Day 10 – Airlie Beach: Rest day
Day 11–14 – Mackay → Rockhampton → Agnes Water → Hervey Bay: Travel days and sightseeing
Day 15 – Fraser Island: 4×4 adventure – Lake McKenzie, 75 Mile Beach, Eli Creek, Maheno shipwreck
Day 16 – Hervey Bay: Whale watching
Day 17–18 – Sunshine Coast & Noosa NP: Beach walk, kayaking
Day 19 – Brisbane: Rest day, car drop-off
Day 20 – Alice Springs: Flight from Brisbane to Alice Springs, visit Desert Park
Day 21 – West MacDonnell Ranges: Standley Chasm, Ochre Pits, Ellery Creek Big Hole
Day 22 – Kings Canyon: Rim Walk
Day 23 – Uluru: Sunrise, Aboriginal cultural center
Day 24 – Kata Tjuta: Valley of the Winds hike
Day 25 – Alice Springs: Travel day
Day 26 – Sydney: Flight from Alice Springs to Sydney, rest day
Day 27 – Sydney: Opera House, The Rocks, Harbour Bridge
Day 28 – Blue Mountains: Three Sisters, Scenic World
Day 29 – Sydney: Rest day, Bondi Beach or Manly
Day 30–31 – Port Macquarie → Coffs Harbour: Travel days
Day 32 – Dorrigo NP: Rainforest hikes
Day 33 – Byron Bay: Explore beaches, town
Day 34 – Brisbane: Car drop-off, rest day
Day 35 – Adelaide: Flight from Brisbane to Adelaide, city walk, Central Market
Day 36 – Adelaide: Rest day
Day 37 – Bordertown: Travel day
Day 38 – Halls Gap (Grampians): Hiking, viewpoints
Day 39 – Port Campbell: Twelve Apostles, Loch Ard Gorge
Day 40 – Apollo Bay / Great Ocean Road: Scenic drive, beaches
Day 41 – Apollo Bay: Rest day
Day 42 – Melbourne: Flight from Adelaide to Melbourne, travel day
Day 43 – Melbourne: Botanical Gardens, Federation Square, cycling tour
Day 44 – Melbourne: International departure
Questions for advice:
Is the pacing realistic, or are some sections too rushed?
Any must-see stops or hidden gems along this route?
Tips for breaking up longer trips or alternative transport?
Thoughts on the balance between cities, beaches, and outback experiences?