Day Trips From Buenos Aires by Rail and Sea
Buenos Aires sits at the edge of a delta on one side and the flat Pampas on the other, and both are a single train ride away, no rental car required.
Tigre and the Paraná Delta
The electric Mitre Line train leaves Retiro station for Tigre every 15 minutes, a 55-minute ride for about ARS 887 on a SUBE card. In Tigre, board a public wooden lancha colectiva from the Estación Fluvial for ARS 3,000-5,000, or a one-hour panoramic catamaran cruise for roughly ARS 15,000-20,000 (about US$12-15). Puerto de Frutos, the riverside crafts and wicker market, and the Belle Époque Museo de Arte Tigre round out a half-day. Tigre delta boat trips are bookable on GetYourGuide .
Colonia del Sacramento, across the river
This 1680 Portuguese fortress town in Uruguay, a UNESCO World Heritage Site, is reachable by fast catamaran in about 1 hour 15 minutes. Buquebus departs Puerto Madero (Av. Antártida Argentina 821) with return fares from roughly US$65-95; Colonia Express departs Dársena Sur with returns from about US$50-75. Book Buquebus ferry tickets directly or check Colonia Express . A valid passport is required, since you clear Argentine and Uruguayan immigration at the terminal before boarding. Wander the cobblestone Calle de los Suspiros and the 19th-century lighthouse, and confirm your return crossing time before you sit down for a long lunch.
San Antonio de Areco, gaucho country
Roughly 115km northwest via RN 8, about 1.5 to 2 hours by car or the Chevallier bus from Retiro terminal. The town centers on Plaza Ruiz de Arellano, with the Museo Gauchesco Ricardo Güiraldes and silversmith workshops making platería criolla nearby. Estancias such as Estancia El Ombu de Areco host day visits with horseback riding, gaucho horsemanship demonstrations, and a multi-course asado with Malbec, typically US$80-120 per person with pre-booking required. San Antonio de Areco estancia day trips are bookable on Viator .
La Plata, the planned capital
56km southeast, reachable on the Roca electric train from Plaza Constitución in about an hour for around ARS 500. The neo-Gothic Catedral de La Plata is free to enter, with an elevator to the tower for about ARS 3,000, and the Museo de La Plata holds fossils including a giant glyptodont and a megatherium skeleton for roughly ARS 4,000.
The verdict
Tigre and Colonia are each worth a full day on their own; do not try to combine them. For a two-day version that pairs the delta with the Pampas, see the multi-day trips guide , and check current SUBE fares at buenosaires.gob.ar before you travel, since they move a few times a year.
Before you go
Buy your Buquebus or Colonia Express ticket a day or two ahead in summer, and load a SUBE card before heading to Retiro; none of the suburban trains sell single paper tickets any more.