Geography Quick Reference for Fantasy Writers

Mountains block moisture-carrying winds, creating wet conditions on the windward side and arid conditions on the leeward side—essential for explaining dramatic climate shifts across short distances

Example: The Misty Mountains create a desert on their eastern side while the western slopes remain lush, explaining why the Shire and Mordor can exist relatively close together

Fantasy-specific phenomena that can justify unusual climate combinations, but should follow internal logic to maintain believability

Example: A perpetually winter-bound kingdom exists because an ancient curse disrupts normal weather patterns, or a desert blooms around a life-magic wellspring

Distinct ecological bands that change with elevation, providing natural habitat separation for different fantasy races and creatures

Example: Dragon aeries in alpine zones above the treeline, dwarven halls in montane forests, and human settlements in temperate valleys—each race adapted to different elevations

Cities naturally develop where rivers join because these locations offer maximum trade access, fertile soil, and strategic military value

Example: Major trading hubs like King's Landing or Braavos positioned where multiple rivers meet, controlling both water transport and defensive positions

The principle that settlement size and importance correlates directly with natural resource availability and geographic advantages

Example: Mining towns in mountains feeding materials to river cities, which then trade finished goods to coastal ports—each settlement's size reflects its resource access

How civilizations utilize natural features like cliffs, rivers, and chokepoints to create defensible positions without relying solely on constructed fortifications

Example: Minas Tirith built into a mountain spur, or island cities like Braavos that use water as natural moats—geography as military architecture

Invisible magical energy flows that influence where magical structures are built and how magical societies develop their infrastructure

Example: Ancient roads and wizard towers built along invisible magical currents, explaining why certain routes remain important across millennia

Locations where magical forces create unique ecosystems that blend or transition between different planes or magical influences

Example: The Feywild bleeds into reality at certain geographic points, creating enchanted forests that exist partially in multiple planes

The principle that magical creatures and phenomena should have logical geographic distributions based on their elemental or magical nature

Example: Fire elementals naturally congregate around volcanic regions, while water spirits dominate coastal areas—magical creatures following geographic logic

A systematic approach to mapping that uses consistent distance units to ensure travel times remain realistic throughout your world

Example: Each hex represents one day's travel (roughly 20-25 miles), allowing you to calculate realistic journey times between locations

Geographic bottlenecks that force all traffic through specific points, creating natural locations for political control and economic leverage

Example: The only mountain pass between kingdoms becomes a heavily fortified toll station, single-handedly determining regional politics and trade

How geographic limitations force civilizations into specific trade relationships and dependencies that shape political dynamics

Example: Desert cities require extensive trade networks for food and water, while forest settlements need metal imports—geographic limitations driving political relationships