Yes – one needs a visa to enter Bolivia.  For most nationalities including European citizens, there is a visa on arrival scheme that is free. For Americans, it is also possible to have a visa on arrival, but at a cost of $160 USD. A few other paperwork items are required for the visa on arrival, but everything is easy to manage at the airport once you arrive (the process takes about 10 minutes to complete). We will advise you on what documents you need so you are prepared when you arrive in Bolivia