13Apr14
On the other side of that water is Uruguay. You’re looking at El Río de la Plata, one of the widest rivers in the world. It forms a border between Argentina and Uruguay.
We tried to cross it today to visit the town of Colonia del Sacramento, but to no avail. Many of the less expensive fares on the ferry sell out in advance — especially for the rapid service which only takes an hour. We couldn’t find same-day tickets for our desired times and price, so we abandoned the idea. Bummer. We had our passports and everything!
The good news is that 10 minutes from the ferry terminal is the Reserva Ecológica Costanera Sur, a big park that’s a nice refuge from Buenos Aires’ busy streets. It’s filled with wide paths for pedestrians and cyclists, and there are plenty of stands just outside the park entrance if you want to grab a choripan.
The photo at the top of this post was taken from within the reserve, and there are lots of picnic tables, trees and marshes to enjoy.
But be careful and respect this warning!
We didn’t see any animals except birds and really big mosquitoes. But apparently there’s other stuff out there… 
