Las Haldas Initial Period Plaza-Pyramid City
Las Haldas · Casma Haldas · Coastal Haldas
Initial Period (1800–800 BCE)·Casma Las Haldas culture / Initial Coastal·🇵🇪 Ancash, Casma, Las Haldas plateau above Pacific, Peru
About
About Las Haldas Initial Period Plaza-Pyramid City
Initial Period (Cotton Preceramic/Initial) ritual terraces city Las Haldas on marine terrace 30 m above Pacific (c. 1800–1000 BCE), contemporary with Sechín Alto but coastal: central pyramid 20 m high stone terrace with 300 × 200 m plazas, 18 platform mounds, circular sunken court, and dense shell middens (marine economy without ceramics). Built of granite fieldstone with clay mortar, largest coastal Initial Period city (~40 ha). Explores maritime vs inland monumental debate parallel to Bandurria/El Paraíso. Excavated by Rosa Fung Pineda, Pozorski, Matsuzawa.
Why it mattersLargest coastal Initial city without ceramics — maritime foundations vs inland Sechín pairing; marine terrace urban planning unique.
Open questions
Mysteries & theories
Mysteries
- 01Why inland-style pyramid on coastal terrace
- 02Chronology — Las Haldas dates vs Sechín Alto
Theories
- 01Coastal pyramid independent of highland Chavín
- 02Marine economy supporting monumentality
Theories are interpretations, not findings. The seal above tells you how much scholarly weight the place carries.
History
How it came to be
- Built
- c. 1800–1000 BCE (Initial Period)
- Period
- Initial Period (1800–800 BCE)
- Culture
- Casma Las Haldas culture / Initial Coastal
- Builders
- Coastal Initial builders
- Purpose
- Marine terrace plaza-pyramid ritual city
- Excavation
- Excavated
c. 1800–1000 BCE (Initial Period)
Initial construction
c. 1255 CE
Rediscovery
On the ground
Structures & features
9.7025° S · 78.2972° W · 80 m · 3 mapped features
Central pyramid terrace
pyramid20 m high stone terrace pyramid
9.7026° S · 78.2973° WCircular sunken court
plazaSunken plaza east of pyramid
9.7024° S · 78.2971° WMarine midden terrace
middenShell midden shelf facing sea
9.7027° S · 78.2975° W