From Asunción, there are two ways to reach Bolivia: through the expansive western part of Paraguay called the Chaco, or going south to Argentina and then back north into Bolivia.
The former option would have been the adventurous one: you can read stories of people hitchhiking or doing this stretch by bus: battling scorching heat, unpaved roads, hordes of mosquitoes, and plenty of delays. At best, it’s an 18 hour journey, and through a relatively barren countryside. Some of the only people here are found in the Mennonite (German) colonies in the area.
Maybe it’s that after 10 months of traveling, I’m not into that kind of adventure anymore, or maybe I would never have done it anyway–but I chose the easier way through Argentina. I spent a night in the beautiful city of Salta as a layover. Here are the pictures (chronologically) from the entire journey, which comprised three buses and one train ride.
Argentina is very concerned about things entering from Paraguay. In addition to sanitizing the wheels of the bus, they also had about four military checkpoints, every 10km or so, where soldiers would enter the bus and look for suspicious objects, sometimes with the help of dogs. After about a 7 hour ride, I arrived in the city of Resistencia, Argentina, and immediately caught the next bus out to Salta.
With that, I ended up in the city of Tupiza, Bolivia! I was happy with my decision not to cross the Chaco–and also out of breath from having ascended to 2850m (9350ft) from basically sea level.