Absolutely! A trip to Pitesti, Curtea De Arges, and Sibiu in Romania promises to be a great experience filled with rich history, breathtaking landscapes, and a vibrant culture. Here are some travel tips for your journey:

Best Time to Visit:
The best time to visit all these destinations in Romania is from June to August during summer when the weather is warm and pleasant. However, if you prefer a less crowded environment and slightly lower temperatures, consider visiting in late spring (April to June) or early autumn (September to October).

Route and Accessibility:
If you are starting from Bucharest, you can follow this route:
Bucharest-Pitesti-Curtea de Arges then Sibiu. The roads are generally in reasonable condition, and public transportation like trains and buses, or even car rental services, are available for the journeys.

Altitude and Acclimatization:
Most of these places are situated at relatively low altitudes so acclimatization should not be an issue. However, you should still stay hydrated and not exhaust yourself.

Accommodation and Booking:
All these cities have a variety of accommodation options ranging from luxury hotels to budget guesthouses. Make sure to book in advance especially during peak seasons.

Clothing and Essentials:
For the summer, light clothing is ideal. Don't forget to bring a umbrella or raincoat, as occasional showers can occur. If you intend to travel in spring or autumn, consider packing a few warmer clothes.

Health and Safety:
Even though Romania is relatively safe, it’s always wise to stay cautious about your personal belongings. Carry a basic first aid kit for emergencies. If you plan to hike in the outskirts of Sibiu, take precautions against ticks.

Local Etiquette and Respect:
Romanians are known for their hospitality. When visiting cultural or religious sites, make sure to follow local customs and dress appropriately. It's also recommended to learn a few Romanian phrases – this will be greatly appreciated by the locals.