Nazca Puquios Aqueducts
Puquios de Cantalloc · Nazca Spiral Wells
Nasca culture, Early Intermediate (~500 BCE – 600 CE; puquios ~300–600 CE)·Nasca (Nazca)·🇵🇪 Ica Region, Peru
About
About Nazca Puquios Aqueducts
Unique Andean hydraulic analog to Persian qanats: 36 puquios, each a stone-lined infiltration gallery tapping sub-river gravel aquifers, ventilated by corkscrew stone spirals descending to the channel. The Cantalloc puquios remain flowing after 1,500 years, fed by highland runoff filtered through pampa gravels. Their hedged spiral eyes punctuate the Nazca desert as surely as the geoglyphs.
Why it mattersUnique Andean hydraulic analog to Persian qanats: 36 puquios, each a stone-lined infiltration gallery tapping sub-river gravel aquifers, ventilated by corkscrew stone spirals descending to the channel
Open questions
Mysteries & theories
Mysteries
- 01Independent invention or indirect trans-Pacific diffusion of qanat concept
- 02How Nasca surveyed aquifer grade without instruments over 2 km runs
Theories
- 01Indigenous hydraulic adaptation to post-600 CE drought that collapsed Nasca iconographic tradition
- 02Spiral ojo form as ritual cosmogram as well as ventilation
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.300–600 CE (archaeologically associated with Nasca 7 ceramics)
- Period
- Nasca culture, Early Intermediate (~500 BCE – 600 CE; puquios ~300–600 CE)
- Culture
- Nasca (Nazca)
- Purpose
- Spiral-vent qanat-like aquifer galleries for desert valley irrigation
- Excavation
- Excavation ongoing
c.300–600 CE (archaeologically associated with Nasca 7 ceramics)
Initial construction
c. 1411 CE
Rediscovery
On the ground
Structures & features
14.8283° S · 74.9153° W · 590 m · 2 mapped features
Cantalloc Puquios Spiral Eyes
qanatLine of 10 spiral vents descending to infiltration gallery
14.8283° S · 74.9153° WOcongalla Aqueduct
qanatSingle-channel puquio with Inca repairs and trapezoidal intake
14.8150° S · 74.9300° W
Gallery