Day Trip to Colonia from Montevideo. Escape bustling Montevideo for the colonial charm and tranquility of Colonia del Sacramento, situated on the banks of the Río de la Plata. On this day trip a knowledgeable guide accompanies you along the cobblestone streets of the Barrio Histórico, a UNESCO World Heritage site. You’ll meander on foot past historical landmarks like the lighthouse and former bullfighting arena — Real de San Carlos — as well as Colonia’s downtown, port and Fernando's Beach. Book this Trip and Save 15%! Day Trip to Colonia from Montevideo.