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Quebrada de San Bernardo and Cascada Grande (Sierras Grandes Nature Reserve)

Reserva Natural Sierras Grandes, Sierra de la Ventana, Buenos Aires, Argentina

Quebrada de San Bernardo and Cascada Grande (Sierras Grandes Nature Reserve) is a hiking, trekking and nature photography experience in Reserva Natural Sierras Grandes, Sierra de la Ventana, Buenos Aires, Argentina, available year-round. Offered by Yanten Excursiones, a member operator of the Asociación Argentina de Ecoturismo y Turismo Aventura (AAETAV). Includes entrance fee, guide and insurance.

About the experience

A 9-hour, 14 km loop trek that follows the San Bernardo stream canyon up to its headwaters, where Cascada Grande awaits: a 6-metre waterfall plunging into a natural pool 5 metres deep. For experienced trekkers.

A challenging loop trek through the San Bernardo stream canyon, among rocky formations and hill vegetation, returning via the slopes with panoramic views.

The route follows the stream to its headwaters, where Cascada Grande drops 6 metres into a natural pool 5 metres deep. An overnight stay on site is also an option.

  • Distance: 14 km.
  • Duration: 9 hours of hiking.

Difficulty: high. Previous trekking experience and good physical fitness required.

What's included and what's not

Includes

  • Entrance fee
  • Guide
  • Insurance

Not included

  • Packed lunch
  • Transfer (enquire)

Frequently asked questions

Where does Quebrada de San Bernardo and Cascada Grande (Sierras Grandes Nature Reserve) take place?

It takes place in Reserva Natural Sierras Grandes, Sierra de la Ventana, Buenos Aires, Argentina (Center region).

What activities does the experience include?

The activities are: hiking and trekking and nature photography.

In which season is it available?

It is available all year round.

What is included?

Included: Entrance fee; Guide; Insurance.

What is not included?

Not included: Packed lunch; Transfer (enquire).

How can I check availability and rates?

Rates and availability are checked directly with Yanten Excursiones, an AAETAV member, via WhatsApp using the "More information" button.

Last updated: October 21, 2026

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