Huaca La Florida
Huaca La Florida de Rimac · Rimac Valley Temple U · Florida Pyramid
Initial Period to Early Horizon (2200–800 BCE)·Andean Initial Period (Rímac tradition, pre-Chavín)·🇵🇪 Lima Region (Rímac Valley, Rímac District, north bank Rimac), Peru
About
About Huaca La Florida
Earliest classic U-shaped ceremonial pyramid in Andes (Initial Period c.1500 BCE, but occupation 2200 BCE), 11 km inland in lower Rímac Valley north bank (Rímac District, Lima). Massive mound 17 m high main pyramid with two projecting lateral arms 500 m long, 4 m high, forming 1 ha open plaza (U open east). One of oldest U-temples proving emergence of coastal monumentality before Chavín. Excavated 1950s by Thomas Patterson and Louis Stumer who documented Initial Period ceramics and platform sequence.
Why it mattersProves large-scale monumentality at 1500 BCE coastal Peru before Chavín and Central Andes highland; U-plaza ritual model precursor to Garagay/Chavín sunken courts.
Open questions
Mysteries & theories
Mysteries
- 01Why U opens east — solstice or river orientation
Theories
- 01Irrigation ritual — U plaza frames spring equinox sunrise over Andes for planting calendar
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.2200 BCE early platforms; c.1500 BCE main U pyramid (Initial Period)
- Period
- Initial Period to Early Horizon (2200–800 BCE)
- Culture
- Andean Initial Period (Rímac tradition, pre-Chavín)
- Builders
- Andean coastal (Rímac chiefdom)
- Purpose
- U-shaped temple for plaza ceremonies controlling river plain irrigation legitimacy
- Abandoned
- c.800 BCE with shift to Chavín horizon
- Rediscovered
- 1955 Patterson & Stumer map Rimac U-temples
- Excavation
- Partially excavated
c.2200 BCE
Early platform foundations and small mound
c.1500 BCE
Construction of 17 m main pyramid and 500 m lateral arms forming U plaza
c.800 BCE
Abandonment with Chavín-related transformations
1955–70
Patterson maps Rímac U-temples and defines Initial Period type
On the ground
Structures & features
12.0219° S · 77.0354° W · 285 m · 3 mapped features
Main pyramidal mound
pyramid17 m high adobe pyramid at west of U, 170×100 m base with summit platform and central ramp east
12.0219° S · 77.0354° WNorth lateral arm
platform500 m long north arm 30 m wide 4 m high forming U plaza north wall
12.0190° S · 77.0330° WSouth lateral arm and plaza
plaza500 m south arm and 1 ha open plaza enclosed on three sides, east opening
12.0240° S · 77.0330° W
Gallery