Sure! Embarking on a trip to Dubai, Abu Dhabi, and Ras Al Khaimah? Here are some tips to make your journey memorable:

Best Time to Visit:
Dubai and Abu Dhabi have a desert climate, so the pleasant time to visit is between November and April when the weather is cooler. Ras Al Khaimah can be visited any time of the year because of its moderate climate.

Route and Accessibility:
All three cities are well-connected with regular flights from all over the world. Inter-city travel is quite comfortable with regular bus service and affordable taxi services.

Altitude and Acclimatization:
Dubai, Abu Dhabi, and Ras Al Khaimah are at sea level so altitude sickness is not an issue.

Accommodation and Booking:
These cities are popular tourist destinations, so it's wise to book your accommodations in advance. They have a range of options from luxury hotels to more budget-friendly accommodations.

Clothing and Essentials:
Though the United Arab Emirates is a modern country, it would be advisable to dress modestly to show respect to the local culture. Also, clothes made from light, breathable material are recommended due to the warm climate. It’s always good to pack a sunglasses, hat, sunscreen, reusable water bottle, and comfortable footwear.

Health and Safety:
Tap water is safe to drink, but if you prefer, you can always opt for bottled water. The level of healthcare in UAE is excellent, but travel insurance is highly recommended.

Local Etiquette and Respect:
Arabic is the official language but English is widely spoken. It's important to respect the local customs and etiquette - public displays of affection are frowned upon, and during Ramadan, the holy month of fasting, eating, drinking, and smoking in public should be avoided from sunrise to sunset.

Don't forget to enjoy traditional Emirati cuisines and experiences like camel riding, dune bashing, and exploring the beautiful architecture tasks!