Surely! Visiting Fethiye, Kas, and Olympos in Turkey is a culturally enriching experience. Here are some tips for your journey:

Best Time to Visit:
The ideal time to visit Fethiye, Kas, and Olympos in Turkey is during Spring (April to June) and Autumn (September to November) when the weather is not too warm. Avoid peak summer for sightseeing due to the high temperatures.

Route and Accessibility:
Flight connectivity is good to Antalya, which is the nearest largest city to these locations. In Antalya, you can hire a car or take local transport to Fethiye, Kas, and Olympos.

Altitude and Acclimatization:
These places lie at a low altitude so acclimatization is usually not required.

Accommodation and Booking:
There are several hotels, hostels, and guest houses available in these areas. Booking in advance is suggested to avoid last-minute hassles. Airbnb is also a popular choice amongst tourists.

Clothing and Essentials:
Pack lightweight clothing for daytime and a light sweatshirt or jacket for cooler evenings as temperatures can vary. Don't forget to pack good quality walking shoes, a hat, and sunscreen. A swimsuit is also essential if you plan to hit the beaches or go for a boat ride.

Health and Safety:
Carry along any regular medications you may need, and a basic first aid kit. Hydrate regularly, especially in summers. Turkey is generally safe but usual precautions for belongings should be taken.

Local Etiquette and Respect:
Turks are very warm and friendly. Knowing a few basic Turkish phrases can make your interaction with locals more enjoyable. Mosques require appropriate dress (covered arms, legs, and head for women) for entry.

Enjoy your trip and stay safe!