802 CE — 1431 CE

Angkor Hydraulic Network

The Khmer Empire's water machine: four great barays, 600 km of canals, and a flow system that sustained a million people.

Barays

4

Total Capacity

113 MM³

Peak Annual Flow

1,925 MM³

Canal Network

~600 km

Irrigated Area

~1,000 km²

Active Period

802–1431 CE

Layers

Barays (storage reservoirs)

Moats & basins

Canal network

Flow nodes

Flow edges (animated)

Canal Types

River (natural channel)

Inlet canal (filling)

Distribution canal

Spillway

Overflow canal

Source / river node

Reservoir / spillway control

Irrigation distribution

Outflow sink (Tonle Sap)

Flow Edges

Natural drainage

Controlled intake

Distribution flow

Irrigation delivery

Overflow / return

Basemap

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