Map for Minecraft Java Edition · 1 block = 1 m

Zürich at 1:1

A 44 × 44 km map of Zürich, Lake Zürich, Zug, Rapperswil and Einsiedeln. Every block is one metre of real Switzerland, built from the federal survey.

Extent of the map: 44 by 44 kilometres from Kloten airport in the north to Einsiedeln in the south, with Lake Zürich, Lake Zug, Lake Ägeri, Sihlsee, Greifensee and Pfäffikersee. Zürichsee Zugersee Ägerisee Sihlsee Greifensee Pfäffikersee Flughafen Zürich HB Uetliberg Uster Wädenswil Rapperswil Zug Einsiedeln E 2’667’000 · N 1’260’000 E 2’711’000 · N 1’216’000 05 km

Zürich HB

E 2’683’100 · N 1’248’000

/tp @s 16100 215 12000

Click anywhere on the map, or a place name, to get its coordinates. With the map focused, arrow keys move the marker 500 m (Shift: 2 km). The /tp height lands you just above the highest point of that 2’048 m tile.

Hero screenshotassets/shots/hero-zurich.webp · 21:9Old town, Limmat and the lake from above Quaibrücke
44 × 44 km
Playable area
1 : 1
One block, one metre
7’562’500
Chunks
10
Federal & cantonal datasets

Features

Measured, not imagined.

Each layer comes from an official Swiss dataset. Heights, roofs, lake depths and tree positions are surveyed values. Where the data is silent, a stated rule fills the gap instead of guesswork.

swissALTI3D · 0.5 m lidar terrain

The real ground under your feet

Terrain comes from swisstopo's national lidar model. Walk the Uetliberg ridge, the Albis and the Sihl valley exactly as steep as they are.

  • Every hill, terrace and embankment at its surveyed height
  • Rock, soil and field depth beneath the surface
  • Height range set automatically for the region
Terrain screenshotassets/shots/feature-terrain.webp · 4:3Uetliberg ridge looking south along the Albis

swissBUILDINGS3D · GWR · SWISSIMAGE

Every building, every roof

Roof shapes come from swisstopo's 3D building models, building types from the federal building register, and roof colours are measured from aerial photos.

  • Gables, hips, flat roofs and overhangs from the 3D models
  • Canopies, station roofs and bridges with their supports
  • Windows per registered storey, doors at registered entrances
Buildings screenshotassets/shots/feature-buildings.webp · 4:3Old town roofs around Grossmünster

swissBATHY3D · measured lake beds

Lakes with their true depth

Lake Zürich is filled to its real bed, measured by swisstopo's bathymetric survey. Dive down and the lake floor is where it is in reality.

  • Lake surfaces level at their surveyed water height
  • Shallow shores blend smoothly into the measured depths
  • Rivers and streams carved into the terrain
Lake screenshotassets/shots/feature-lake.webp · 4:3Underwater view of the lake bed off Wädenswil

swissTLM3D

Streets, rail and tunnels

Roads, tracks and paths at their real width. Rail beds are graded, and underpasses such as Langstrasse are dug out with lit portals and clearance.

Cadastral survey · AV

Sidewalks, gardens and fields

The cantonal land survey covers every parcel, so sidewalks, yards, gardens, vineyards and fields sit where they are on the ground.

swissSURFACE3D · NFI

Forests that match the forest

Tree heights from the lidar surface model, deciduous or coniferous from the national forest inventory, and single trees at their recorded locations.

Survey single objects

Walls, fountains, benches

Thousands of surveyed garden and terrace walls, symmetric stone fountains where the city has fountains, and park benches along the paths.

Bridges & piers

Bridges you can walk under

Bridge decks at their measured heights, standing on surveyed piers, with open space below for roads, rails and rivers.

Vanilla Java 1.21.1

No mods required

Plain vanilla blocks. A small bundled data pack only raises the world height so the region fits from lake bed to hilltop.

Download

Free to play.

One save, 44 × 44 km, ready to unzip into your Minecraft saves folder. No mods, no launcher tricks.

Download 6.7 GB
File
blockworld-zurich-44km-java-1.21.1.zip
Size
6.7 GB download · 31 GB unpacked
Edition
Minecraft Java Edition 1.21.1
World height
Y −64 to 1’439 · Y = elevation − 318 m
Extent
LV95 E 2’667’000–2’711’000 · N 1’216’000–1’260’000
SHA-256
7c539b8e0314543fe7a7ffca9041124325ccab5956e223cb81f50005f6ee846d
Licence
To be announced. Credit the data sources below when you share it.
  1. Download and unzip the file. You need about 31 GB of free disk space.
  2. Move the world folder into your saves folder: %APPDATA%\.minecraft\saves on Windows, ~/Library/Application Support/minecraft/saves on macOS, ~/.minecraft/saves on Linux.
  3. Start Java Edition 1.21.1 and open the world. Keep the bundled data pack enabled; it sets the world height.

Recommended mods

Fly the whole map.

The map runs on plain vanilla. For a world this size these Fabric mods make it smooth, let you see across the lake and fly fast. Pick the versions marked 1.21.1.

Loader

Fabric Loader

Runs the mods. The easiest way is Prism Launcher: create a 1.21.1 instance, choose Fabric and add the mods below from its Mods tab.

Library

Fabric API

Required by every mod in this list.

Performance

Sodium

Much faster chunk rendering. The biggest single gain in frame rate.

Performance

Lithium

Optimises game logic such as chunk loading and entities, without changing gameplay.

Performance

FerriteCore

Cuts memory use, which helps when flying through many dense city chunks.

View distance

Distant Horizons

Draws far terrain as simplified detail levels. From the Uetliberg you see the lake all the way to Rapperswil.

Visuals

Iris Shaders

Loads shader packs for light, shadows and water. Works together with Sodium.

Flight

Creative Fly

Adjustable creative flight speed. Cross the city in seconds or glide slowly along a street.

Library

Cloth Config API · Mod Menu

Cloth Config is required by Creative Fly. Mod Menu is optional and opens its speed settings in game.

Open source. Soon.

The generator behind this map will be released on GitHub. Point it at any Swiss coordinates and build your own town, valley or summit.

  • Data pipelineTypeScript · Node 24
  • Debug viewerthree.js
  • Minecraft exporterJava 1.21.1
  • Unit tests260+
  • Documented design decisions44

Data sources

Credits.

This map is built from Swiss open government data. The data providers have not endorsed this project.

© swisstopo

Federal Office of Topography swisstopo: swissALTI3D, swissSURFACE3D Raster, swissTLM3D, swissBUILDINGS3D 3.0, SWISSIMAGE 10 cm, swissBATHY3D.

Federal Statistical Office (FSO)

Federal Register of Buildings and Dwellings (GWR).

Cantonal cadastral surveying

Amtliche Vermessung (MOpublic) of the cantons covered by the map, obtained via geodienste.ch.

FOEN / WSL

Swiss National Forest Inventory (NFI): vegetation height model and forest mixture rate.

Geodata is processed and simplified to build a block world. It is not a precise survey product and must not be used for planning, navigation or legal purposes.