The tree is estimated to be approximately 1,200 years old, placing its origin in the 9th century.
It is a Prosopis chilensis species, commonly known in Argentina as a carob tree.
The trunk circumference measures approximately 10.6 meters at its base.
Argentine poet Antonio Esteban Agüero wrote his famous poem 'Algarrobo Abuelo' beneath its branches.
The site was declared a Provincial Historical Monument in the 1960s.
It is the central feature of the 'Catedral de los Pájaros' (Cathedral of the Birds) nature reserve.
The tree's name translates literally to 'Grandfather Carob Tree' in Spanish.
Special drainage and support systems have been installed to prevent soil compaction and branch breakage.
The Algarrobo Abuelo is a historic Prosopis chilensis tree located in the Merlo municipality of San Luis, Argentina. It is estimated to be over 1,000 years old, serving as a biological monument and cultural landmark in the region. The tree reaches a height of approximately 14 meters with a trunk circumference exceeding 10 meters. It gained prominence through the poem 'Algarrobo Abuelo' written by Antonio Esteban Agüero, which cemented its status in Argentine literature. The tree is situated within a protected municipal park known as Catedral de los Pájaros. Its structural integrity is supported by specialized conservation efforts to maintain the longevity of its primary branches. The site serves as a focal point for local folklore regarding the history of the Comechingones people.
From the wooden observation deck positioned to capture the full scale of the canopy against the mountain backdrop.
Walk the surrounding perimeter paths to observe the tree from multiple elevations.
Read the placards detailing the local flora and history of the Comechingones before approaching the tree.
Carry water, as the immediate area around the site offers limited services.
Stepping over the physical barriers designed to protect the root system from soil compaction.
Do not touch or lean on the bark; stay behind the protective wooden fences at all times.
