Jamaica's Four Major Plains & Their Parishes

Jamaica's lowland plains are critical for agriculture, settlement, and infrastructure. Each lies in a distinct parish.

1. St. Catherine Plain

• Parish: St. Catherine
• Location: South-central, between Hellshire Hills (south) and Central Inlier (north)
• Area: ~300 km² — largest plain
• Features: Rio Cobre irrigation, sugar cane (historical), now mixed farming, housing (Portmore), industry (Spanish Town, Old Harbour)
• Soil: Alluvial, fertile, poorly drained in parts

2. Liguanea Plain

• Parish: St. Andrew (corporate area of Kingston)
• Location: Kingston metropolitan area, between Long Mountain (north) and Palisadoes (south)
• Area: ~50 km²
• Features: Kingston & St. Andrew urban sprawl, Norman Manley Airport, UWI Mona, New Kingston, Half Way Tree. Aquifer recharge zone.
• Pressure: Intense urbanization, flooding, aquifer contamination

3. St. Elizabeth Plain

• Parish: St. Elizabeth
• Location: Southwest, between Santa Cruz Mountains (north) and Caribbean Sea (south)
• Area: ~200 km²
• Features: "Breadbasket of Jamaica" — intensive vegetable farming (onion, pepper, tomato, melon, cabbage). Black River wetlands (Ramsar). Bauxite mining (historical).
• Irrigation: Black River & Santa Cruz irrigation schemes

4. Westmoreland Plain

• Parish: Westmoreland
• Location: Western tip, between Negril Hills (east) and Caribbean (west/south)
• Area: ~150 km²
• Features: Sugar cane (Frome, Monymusk estates), tourism (Negril), wetlands (Great Morass), petroleum (onshore). Savannah-la-Mar (capital) on coast.
• Risk: Storm surge, sea-level rise, limestone subsidence

Other Notable Lowlands

• Vere Plain (Clarendon) — sugar, milk
• Pedro Plains (St. Elizabeth extension) — onions, escallion
• Alluvial valleys: Rio Grande (Portland), Wag Water (St. Mary), Martha Brae (Trelawny)