History

León Viejo was founded on 8 June 1524 by Francisco Hernández de Córdoba, the conquistador tasked by Pedrarias Dávila (governor of Castilla del Oro) with subjugating the indigenous peoples of Nicaragua. The city was strategically positioned on Lake Xolotlán, then called the Sweet Sea of Nicaragua, giving access to trade routes and to the indigenous populations of the region. Within a few years it became the administrative and ecclesiastical capital of the Province of Nicaragua.

The city’s history was violent from the start. The founding conquistador Hernández de Córdoba was himself executed by Pedrarias Dávila in 1526 — accused of seeking to establish independent power — and buried in the cathedral he had helped build. The site also contains evidence of the brutal exploitation of indigenous people: mass graves, evidence of forced labour, and the physical fusion of indigenous and Spanish building materials in the same structures.

Momotombo, the volcano that dominates the skyline above the site, erupted destructively in 1594 and again in 1610. The combination of eruption damage and a severe earthquake in 1610 convinced the colonial authorities to relocate entirely to a new site — today’s Ciudad de León — 35 km to the north-west. The old city was stripped of portable valuables and then abandoned. Within decades, volcanic deposits buried the ruins, hiding them for over 350 years.

The first systematic excavations, led by Nicaraguan archaeologist Carlos Tünnermann and later by international teams, began in 1967. They confirmed the remarkable completeness of the site and revealed its significance as a snapshot of early colonial urban planning.