Absolutely, traveling to Mérida, Barinas and Caracas in Venezuela can be a fantastic adventure. Here are some travel tips to make your trip as smooth as possible:

Best Time to Visit:
The climate in Venezuela is typically tropical, and temperatures remain fairly consistent throughout the year. However, the driest months (and best time to visit) are from December to April.

Route and Accessibility:
A common route when traveling through these cities would be to start in Caracas, the country's capital. From there, you can take a domestic flight or a bus to Barinas, and then access Mérida from Barinas by road.

Altitude and Acclimatization:
Mérida is located at an altitude of 1,600 meters, while Caracas and Barinas are at sea level. You might experience mild altitude sickness when traveling to Mérida. Take it slow, drink plenty of water, and allow yourself time to acclimatize.

Accommodation and Booking:
Accommodation options are abundant in Caracas, from luxury hotels to budget hostels. In Mérida and Barinas, you can find decent hotels and inns. It's advisable to book your accommodation in advance, especially during holiday periods.

Clothing and Essentials:
Lightweight clothes are suitable for the hot and humid climate of Venezuela, but bring along some warm clothing for cooler evenings and for visiting high-altitude areas like Mérida. Don’t forget to pack your sunscreen, mosquito repellent, and swimming suit for the beaches.

Health and Safety:
Venezuela is unfortunately known for its high crime rate. Therefore, prioritize safety by avoiding unnecessary displays of wealth, avoiding isolated areas, and being cautious at night. Don’t forget your travel insurance and necessary vaccines before your trip.

Local Etiquette and Respect:
Venezuelans are generally friendly and warm. Respect the local culture and customs, avoid political discussions, and remember to greet people with a smile. Learning a few words in Spanish, the local language, will be very appreciated too.