Mendoza Water Path: San Martín Park to Lake Potrerillos

Overview

A private guided route following the Mendoza River and the irrigation system that shaped the city, from San Martín Park up through the Cipolletti Dam and Cacheuta to Lake Potrerillos, with time for a short trek and local coffee or a typical Argentine sandwich.

Guided by Mendoza residents, this private route starts at San Martín Park — built in the early 20th century using irrigation and meltwater from the Mendoza River — then follows the river and its slopes up to the Cipolletti Dam, Cacheuta, and Lake Potrerillos, with an optional short trek for mountain views.

Highlights

• San Martín Park See the irrigation canals and meltwater engineering behind this early-20th-century city park.
• Cipolletti Dam & Cacheuta Follow the Mendoza River's course through the mountains to the Cipolletti Dam and the Cacheuta area.
• Lake Potrerillos Reach Lake Potrerillos, a large mountain reservoir on the upper Mendoza River, with an optional short trek for mountain views.

What Stops Does This Tour Make?

A popular starting point — every Voyzo itinerary is fully customizable, so we'll shape the order and stops around your group.

Important Information

Frequently Asked Questions

About This Tour

A private guided route following the Mendoza River and the irrigation system that shaped the city, from San Martín Park up through the Cipolletti Dam and Cacheuta to Lake Potrerillos, with time for a short trek and local coffee or a typical Argentine sandwich. Guided by Mendoza residents, this private route starts at San Martín Park — built in the early 20th century using irrigation and meltwater from the Mendoza River — then follows the river and its slopes up to the Cipolletti Dam, Cacheuta, and Lake Potrerillos, with an optional short trek for mountain views.

San Martín Park began as a civic project in 1896, when the provincial government commissioned Carlos Thays — the Buenos Aires-based French landscape architect already responsible for several of Argentina's best-known public parks — to lay out what was first called Parque del Oeste on land along the western edge of the city. Construction started that December, and today the park covers nearly 400 hectares of wooded paths, a lake, and more than 30 sculptures, all fed by an irrigation layout drawn directly from Mendoza's wider acequia canal network, the same Andean-meltwater system that makes the whole Mendoza oasis possible in what is otherwise a dry, semi-arid valley.

From the park's own canals, this route follows the Mendoza River upstream, tracing that meltwater system back toward the mountains it comes from. One stop along the way is the Cipolletti Dam, built in the late 19th century by Italian engineer Cesar Cipolletti, whose irrigation works are widely credited with transforming Mendoza's agriculture and underwriting much of the province's wine industry in the process.

From there the road climbs through Cacheuta — better known today for its thermal springs — and on to Lake Potrerillos, a large reservoir formed by a dam on the upper Mendoza River completed in the early 2000s. It isn't literally the river's source; the Mendoza River's actual glacial headwaters lie much further upstream, high in the Andes near Tupungato and the Cordon del Plata. What Lake Potrerillos does offer is the clearest point on this route where the river's mountain character becomes visible, framed by the Precordillera foothills on one side and the higher Andes on the other.

For travelers who want it, there's an optional light trekking segment near the lake for mountain views — not a demanding hike, just enough time off the road to take in the scenery before heading back down to Mendoza.