Hello! It's great to hear that you are planning to visit Banská Štiavnica, Bardejov, and Vlkolínec, some of Slovakia's most charming and picturesque towns.

Best Time to Visit:
The best time to visit these towns in Slovakia is from May to September when the weather is usually warm and perfect for sightseeing. Winter months can be quite cold, but they offer a unique charm with snow-covered landscapes.

Route and Accessibility:
Banská Štiavnica, Bardejov, and Vlkolínec are well connected by road from major cities in Slovakia. You can hire a car or use public transport like buses. Train connections are also there, but they are most direct and convenient for Banská Štiavnica.

Accommodation and Booking:
There are several options for accommodation available ranging from luxury hotels, guest houses, to rental apartments. It's wise to book your accommodation in advance, especially during the peak season. Websites like Booking.com or Airbnb can be used for the same.

Clothing and Essentials:
If you're visiting in summer, carry lightweight clothing, a hat, and sunscreen. For winter, layer your garments, and don't forget gloves, scarfs, and a warm hat. Regardless of the season, comfortable walking shoes are a must for exploring the towns.

Health and Safety:
Slovakia is generally a safe country. However, ensure you have travel insurance. If you're traveling in the winter, be prepared for icy conditions. The standard emergency number in Slovakia is 112.

Local Etiquette and Respect:
Slovakians are known to be polite and somewhat reserved. Learning a few phrases in Slovak can endear you to locals. Also, respect local customs and traditions, like modest dressing while visiting religious sites.