Of course! Morocco is indeed a spectacular, rich and vibrant destination. Here are some travel tips for your visit to Marrakech, Ouarzazate, and Merzouga:

Best Time to Visit:
The best time to visit these places would be the cooler months, from October to May. Marrakech and Ouarzazate can be particularly hot in the summer months, making sightseeing uncomfortable.

Route and Accessibility:
You can easily access all three places by road. From Marrakech, you can take the road to Ouarzazate, traveling through the highly scenic route of the High Atlas Mountains. From Ouarzazate, take the road to Merzouga, which is famous for its sand dunes.

Altitude and Acclimatization:
While Marrakech is at a low altitude, Ouarzazate is slightly higher. However, no significant acclimatization is needed. Make sure to stay hydrated, especially in the desert areas.

Accommodation and Booking:
Morocco has a wide range of accommodations, from luxurious riads to budget hostels. Reservations should be made in advance, especially during peak tourism seasons.

Clothing and Essentials:
Morocco is a Muslim country, so conservative clothing is appropriate. Sandals might be comfortable for Marrakech and Ouarzazate, but closed shoes are recommended for Merzouga due to the sand. Sunscreen, a wide-brimmed hat, and sunglasses are essential for protection against the sun.

Health and Safety:
Food and water hygiene is very important. Only drink bottled water and ensure that any food you consume is thoroughly cooked. It's also recommended to have a basic first-aid kit on hand.

Local Etiquette and Respect:
Moroccans are traditionally a very polite and respectful people. Demeanor should be polite and modest at all times. Remember to respect the local culture and traditions — these can vary considerably across the different parts of Morocco.