IMGP9978 July 30, 2014 2592 × 3872 Day Trip from Buenos Aires #2: Colonia del Sacramento, Uruguay The express ferry ride across the mouth of the Rio de la Plata takes but an hour Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)