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Geodata Troisdorf
Stadt Troisdorf · Kreis Rhein-Sieg-Kreis · North Rhine-Westphalia · Municipality key (AGS) 05382068
Processed by us
Ready-made files from this server — one click, one download, uniform nationwide in EPSG:25832.
🗺️ ALKIS — Real-estate cadastre: parcels, building footprints and land use
40,594 parcels, 57,394 buildings, 17,414 land-use polygons.
| Package | Size |
|---|---|
| Complete package (3 layers) | on demand |
| Parcels only | on demand |
| Building footprints only | on demand |
| Land use only | on demand |
Source: © Geobasis NRW · Licence dl-de/zero-2-0
⛰️ DGM1 — Digital terrain model: elevations on a 1-metre grid
84 tiles of 1 km² each (173 MB), 1 m grid, EPSG:25832.
| Access | Extent |
|---|---|
| Tile list (84 tiles, JSON) | 173 MB |
🏙️ DOM1 — Digital surface model: unified 1-metre elevation grid including buildings and vegetation
84 tiles of 1 km² each (224 MB), 1 m grid, EPSG:25832.
| Access | Extent |
|---|---|
| Tile list (84 tiles, JSON) | 224 MB |
Directly from the state
There is no copy of these datasets here: the tables link per tile to the server of the responsible state agency.
✈️ DOP — Digital orthophotos: current aerial imagery directly from the state agencies
84 tiles, period 2025-05-01–2025-07-01.
| Access | Note |
|---|---|
| Download links (84 tiles, JSON) | directly from the state agency |
Show historical years individually (24)
📷 bDOM — Image-based surface model at native resolution — directly from the state agency
84 tiles, period 2025-05-01–2025-07-01.
| Access | Note |
|---|---|
| Download links (84 tiles, JSON) | directly from the state agency |
📡 LiDAR — Raw laser-scan point clouds of the official surveys — directly from the state agency
84 tiles, period 2022-01-11–2022-02-12.
| Access | Note |
|---|---|
| Download links (84 tiles, JSON) | directly from the state agency |
Show statistics
Land use in Troisdorf
What the land is used for — summed from the ALKIS land-use polygons, not taken from official statistics. Shares refer to the municipal area of 62 km².
| Use | Area | Share |
|---|---|---|
| Forest | 17 km² | 27.7 % |
| Agriculture | 10 km² | 16.6 % |
| Residential land | 8 km² | 12.6 % |
| Industry & commerce | 5 km² | 8.5 % |
| Road transport | 342 ha | 5.5 % |
| Heath, bog & marsh | 330 ha | 5.3 % |
| Sports, leisure & recreation | 294 ha | 4.8 % |
| Air transport | 246 ha | 4.0 % |
| Water bodies | 177 ha | 2.9 % |
| Paths and tracks | 170 ha | 2.7 % |
| Woodland | 169 ha | 2.7 % |
| Special-purpose area | 130 ha | 2.1 % |
| Mixed-use area | 92 ha | 1.5 % |
| Rail transport | 55 ha | 0.9 % |
| Open-cast mining, mining & spoil heaps | 38 ha | 0.6 % |
| Wasteland & unvegetated land | 37 ha | 0.6 % |
| Cemetery | 27 ha | 0.4 % |
| Squares | 18 ha | 0.3 % |
The data covers the municipal area completely. All states compared →
Terrain elevation in Troisdorf
Calculated from the digital terrain model (DGM1): minimum, maximum and a tile-area-weighted mean of the elevations above sea level (NHN).
| Metric | Elevation above sea level (NHN) |
|---|---|
| Minimum | 42.3 m |
| Mean | 68.6 m |
| Maximum | 148.4 m |
The extract is generated on click and covers the entire municipal area.
Click parcels and buildings directly.
Kreis Rhein-Sieg-KreisA larger area as a package.
North Rhine-WestphaliaThe whole state as a ready-made package.
Extract-APICustom extracts and other formats via the API.
Data as of: 2026-09-02.