Potrerillos Reservoir

Potrerillos Reservoir is a large mountain lake formed by the dam on the Mendoza River, in the mountains southwest of Mendoza City. Visitors come for the Andean landscape and outdoor activities around the reservoir and nearby river valley. The dam is also part of Mendoza’s water-management and energy infrastructure, so recreational use takes place under local rules.

What to do around the reservoir

Depending on the season, weather and operator schedules, options in the area can include kayaking, sailing, fishing, horseback riding, hiking and other guided outdoor activities. Rafting usually takes place on the Mendoza River and is a separate outing from a reservoir visit. The national tourism guide La Ruta Natural: Potrerillos and its surroundings offers an overview of the area and its activities.

Choose an activity that fits your day

Start by deciding whether you want a quiet lakeside stop, a water activity on the reservoir, or a guided outing on the river or surrounding hills. These are different experiences and may have separate meeting points, operators and schedules. Ask the provider exactly where the activity takes place, how long it lasts, what equipment is included and what happens if wind or weather makes conditions unsuitable.

Access, safety and planning

Before setting out, confirm which shoreline access is open, where you may park, and whether the activity you want is operating. Public access points and permitted uses can differ by sector and may change; do not assume that every stretch of shore is open, or that you can launch a private watercraft anywhere. Mendoza’s government has published guidance on public beaches and access around the Potrerillos reservoir; check current local notices as well.

Mountain weather can change quickly. Check the forecast and road conditions, confirm the operator’s meeting point, equipment, age or mobility requirements and cancellation policy, and follow instructions from local authorities. If navigating your own craft, review the Prefectura Naval Argentina safety recommendations and applicable rules before launching. For a longer stay, explore our Potrerillos destination guide and guides to kayaking in Mendoza and white-water rafting.

What to check before you leave

• Confirm the exact access point and route with the operator or local authority; do not rely on a map pin alone.
• Check the latest weather and road conditions, and allow extra time for the mountain drive.
• Bring sun protection and an extra layer; conditions by the water can feel different from the city.
• Carry drinking water and take your waste back with you.
• If you are not booking an activity, verify that the shore area you plan to visit is open to the public.

Frequently asked questions

Is rafting done on the reservoir? Rafting is generally a separate activity on the Mendoza River. Confirm the river section, meeting point and operating conditions with the provider.

Can I swim or launch my own kayak? Swimming in Potrerillos Reservoir is prohibited, according to Mendoza Civil Defence. For kayaking, check the current rules and designated launch points before setting out. In an emergency, call 911.

Can I visit without booking an activity? You can plan a scenic stop, but first check current public access, parking and any local restrictions.