To make a fantasy world map, start from what the land does to the people who live on it, not from the shape of the coastline, because a map that only looks good is decoration while a map built from geography becomes a source of plot. Decide where the mountains, rivers, deserts, and seas sit, work out how that terrain would shape climate, trade, and where people settle, and only then draw it. The map is a record of those decisions, and in a long web serial its real job is to keep travel, distance, and direction consistent across hundreds of chapters so the world holds together.
How do you make a fantasy world map?
You make a fantasy world map by deciding what your geography does before you decide what it looks like, because the terrain is the engine and the drawing is only the dashboard. The most common way I see this go wrong is that a writer opens a map tool, paints a coastline they find pleasing, scatters some mountains where the composition needs weight, drops in a dozen city names, and then tries to invent nations and history to justify a shape that was chosen for how it looked. The result is a map where nothing connects: a desert sits next to a rainforest for no reason, a capital sits in the middle of nowhere with no river or road to feed it, and a mountain range runs in whatever direction made the picture balanced. The fix is to run the process the other way, starting from a few physical forces and letting the borders, the cities, and eventually the coastline fall out of them, which is the same pressure-point method that makes a magic system or an economy feel built rather than assembled, and which I treat as the spine of all the harder problems in the guide to world-building for web fiction.
Tolkien, who is as close to the origin of this craft as we get, said he "wisely started with a map, and made the story fit," and the part people quote less is that he did it with meticulous care for distances, so that a journey on the page took as long as the same journey on the map. That is the real lesson, and it is not about art. My feeling is that the map matters far less as a picture than as a constraint you agree to obey, a fixed set of facts about where things are and how far apart, so that once it exists you can stop reinventing your own world every time a character sets out to cross it.
Start with the forces, not the coastline
Geography that feels real comes from a few physical forces acting in ways a reader recognizes without being taught, and getting even two or three of them right buys more credibility than any amount of decorative detail. The one worth learning first is the rain shadow: moist air blowing off an ocean rises when it hits a mountain range, drops its water on the near slope, and comes down the far side dry, which is why one flank of a range is green and the other is desert. Rivers are the second: water runs downhill to a single outlet, whether that is the sea or a lake, and tributaries join it as it goes rather than splitting off, so a river that forks into two separate mouths across a continent is the kind of thing that quietly tells a careful reader you did not think it through. And settlement is the third, because towns grow where water, safe harbor, a river crossing, or a mountain pass forces traffic to converge, which means your cities should sit at the choke points and confluences your terrain creates rather than wherever the map looked empty.
None of this requires a geology degree, and I would not want anyone to turn a story into a physics exercise. My advice, then, is to fix one load-bearing geographic fact per major region, the mountain wall that isolates it or the great river that feeds it or the drought that is slowly emptying it, and let the rest stay soft. Tools like Inkarnate, Wonderdraft, and Azgaar's Fantasy Map Generator will render any of this beautifully, and Azgaar in particular will simulate rivers and climate for you as a starting point, but the software cannot decide what your world's geography is for. That decision is yours, and it is the whole job.
Let the geography do story work
The real test of a fantasy map is whether the geography creates problems the characters cannot walk around, because a setting that is merely a backdrop is a wasted opportunity and a setting that fights the cast is a plot generator. Frank Herbert's Dune (1965) is the extreme case worth studying, since Arrakis is a planet with almost no water, and that single geographic fact produces the spice, the sandworms, the Fremen and their still-suits, the politics, and the ecology all at once, so the map is not near the story, it is the story. Brandon Sanderson does something similar in The Way of Kings (2010), where the world of Roshar is scoured by recurring highstorms so violent that the plants retract, the architecture faces away from the wind, and even the animal life is built like armored crustaceans, all of it flowing from one climatic decision. Ursula K. Le Guin's A Wizard of Earthsea (1968) makes the point more quietly, because Earthsea is an archipelago and the sea between the islands is the medium of the entire story, so every journey is a voyage and geography sets the pace of the plot.
You do not need integration that total, and I think reaching for it can paralyze a writer who just wants to get chapters out. But each major region should be able to answer a simple question, which is what living here costs and what it grants, and web fiction gives you good models for the light version of this. Will Wight's Cradle, beginning with Unsouled (2016), opens on a valley so geographically isolated that its people believe their tiny backwater is the whole important world, and that one fact of the map is the engine of the protagonist's entire arc. Once your geography is doing work like that, it starts feeding your economy directly, because the mountain pass that exists only because of the range is exactly where the trade, the tariff, and the ambush all happen, which is where a world map hands off to the systems I lay out in how to worldbuild a fantasy economy.
Draw only as much map as the reader can carry
A web fiction reader cannot flip to the endpapers, so your geography has to arrive through scene rather than through a map they will almost never scroll back to find. This changes what the map is for. In a printed novel the map is partly a reader-facing illustration, a thing you study before chapter one, but in a serial released a chapter at a time the map is mostly a private instrument for you, the reference that keeps you honest, while the reader absorbs the world one journey at a time through what is scarce, how long the road takes, which way the weather comes, and what the locals are afraid of. That means the geography has to be legible in the prose, and the single cheapest way to make it legible is through names, because a place called Blackwater Crossing or Saltmarsh or the Ashen Reach carries its terrain and often its history in the name itself, which is a trick I go deeper on in how to name fantasy characters and places.
The trap on this side is the opposite of the empty backdrop, and it is the writer who maps the entire planet down to the last village, invents three thousand years of history for a continent the story never reaches, and calls it progress while the actual chapters go unwritten. I think the honest rule is to map at the resolution the story visits, drawing the current arc's terrain in real detail and leaving the far edges of the world as vague shapes you will sharpen only when a plot reason forces you across them. A rough sketch of what borders what, which way the rivers run, and how many days lie between the towns your characters actually travel between will carry a serial further than a gorgeous full-planet render that answers questions nobody in the story is asking.
Keep distance and direction honest across a long serial
The place a fantasy map truly earns its keep in web fiction is continuity, because a journey that took two weeks in chapter forty cannot quietly take two days in chapter two hundred without a reader who has been with you the whole time noticing and losing a little faith. Distance is a budget, and once your map fixes it you have to spend it consistently, which is harder than it sounds across a story that may run for years of real time and hundreds of thousands of words. This is also where a beautiful map can betray you, and George R. R. Martin's Westeros in A Song of Ice and Fire (from A Game of Thrones, 1996) is the usual cautionary example, a continent often described as being on a scale so large that armies and messages realistically take longer to move than a fast-paced plot wants to allow, which is a tension every writer of a big map eventually has to manage. Pirateaba's The Wandering Inn, an ongoing web serial, sits at the other end, a sprawling world where the sheer distance between cities is felt precisely because the story tracks it, and that consistency is what makes the scale believable rather than arbitrary.
Running a web fiction platform, the authors I see keep a long serial's geography intact are not the ones with the prettiest maps, they are the ones who wrote the facts down and could check them. The map is the drawing, but the facts behind it, which region lies where, how far it is to the next, what the road passes through, belong somewhere you can query mid-chapter without breaking your flow, which is exactly what a connected wiki is for. On IlorisNovel that lives alongside the editor, so each region and city is a lore entry you can @mention while you write and place on the timeline as its history unfolds, and the map you draw in a dedicated tool stays the illustration while the wiki keeps the facts from drifting. If you want to feel how that fits together, you can try the editor with no account and drop in a place or two.
A fantasy world map, in the end, is not a picture you make so the world looks finished, it is a set of decisions you make so the world behaves. Start from what the land does, let the terrain settle where your cities and borders and conflicts belong, draw only as much as the story will actually walk across, and then hold yourself to the distances you set, and the map stops being a decoration you feel obliged to include and becomes one of the quietest, most reliable sources of plot you have.
by Jacob Tam · September 19, 2026
I run IlorisNovel, a platform for web fiction writers. If you want to see what building a world here feels like, you can try the editor with no account.