Absolutely! Morocco is an exotic and vibrant country with beautiful cities like Tangier, Chefchaouen, Fes, and Marrakeck. Here are some important travel tips for your journey:

Best Time to Visit:
The most pleasant time to visit is spring (March to May) and fall (September to October). The weather during these periods is typically warm and dry.

Route and Accessibility:
Casablanca is the main international gateway. From there you can take a train to Tangier, a bus to Chefchaouen, another bus to Fes, and a final bus or train to Marrakech. There are daily flights as well from Casablanca to these cities.

Altitude and Acclimatization:
The cities you are visiting are mostly at lower altitudes so acclimatization is not a significant issue. However, staying hydrated is always beneficial.

Accommodation and Booking:
There are a wide range of accommodations available, from luxury hotels to local guesthouses. Get your bookings done in advance, and ensure to check reviews before booking a place.

Clothing and Essentials:
In order to respect the local culture, it's recommended to dress modestly. Essentials would include a sun hat, sunscreen, comfortable walking shoes, and a scarf for women to cover their heads if needed.

Health and Safety:
It's advisable to get travel insurance before your trip. Avoid drinking tap water and consume bottled water only. Beware of pickpockets in crowded tourist areas.

Local Etiquette and Respect:
Show respect towards local traditions and customs. Arabic is the official language, but French is also widely spoken. Learning a few local phrases can enrich your travel experience. Haggling is a part of Moroccan culture, especially in the souks.
Always ask for permission before taking photographs of locals.