DOI: https://doi.org/10.5069/G9513WFJ
OT Collection ID: OT.072026.2056.1
OT Collection Name: Switzerland 50 Centimeter Digital Elevation Models
Short Name: CH_50cmDEM
Collection Platform: Airborne Lidar

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Download and Access Products: 
	1. Raster
		opentopoID: OTSDEM.072026.2056.1
		Data Processing: https://portal.opentopography.org/raster?opentopoID=OTSDEM.072026.2056.1


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Collection Overview: The Switzerland Digital Elevation Model is a national high-resolution elevation dataset produced by swisstopo (the Federal Office of Topography of Switzerland). The dataset is derived from airborne lidar surveys and is available as both a Digital Terrain Model (DTM, swissALTI3D) and a Digital Surface Model (DSM, swissSURFACE3D Raster), each at 50 cm resolution covering Switzerland and the Principality of Liechtenstein. Both the DTM and DSM derive from the same single nationwide lidar campaign conducted by swisstopo in six stages over approximately seven years (spring 2017 to late 2025). Both products are published under an Open Government Data (OGD) license and are freely available for commercial and non-commercial use. For more information about this dataset:       Federal Office of Topography swisstopo  swissALTI3D Raster (DTM)  swissSURFACE3D Raster (DSM)    

Dataset Acknowledgement: Data provided by the Federal Office of Topography swisstopo. Use of this data is subject to swisstopo's terms of use for free geodata and geoservices (https://www.swisstopo.admin.ch/en/terms-of-use-free-geodata-and-geoservices). Source attribution "Federal Office of Topography swisstopo" is required when using or reproducing this data.

Dataset Citation: Federal Office of Topography swisstopo (2026). Switzerland 50 Centimeter Digital Elevation Models. Distributed by OpenTopography. https://doi.org/10.5069/G9513WFJ. Accessed 2026-09-09

Use License: Open Government License - Switzerland

Dataset Keywords: lidar, topography, Switzerland,Liechtenstein, bare-earth, DTM, surface, DSM

Survey Date: 03/01/2017 - 12/01/2025
Publication Date: 07/18/2026

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Data Provider and Roles:
	1. Federal Office of Topography swisstopo
	Role: Collector
	Url: https://www.swisstopo.admin.ch/en

	2. Federal Office of Topography swisstopo
	Role: Funder
	Url: https://www.swisstopo.admin.ch/en


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Total Number of Points: N/A

Area: 43,697.41 km^2

Point Density: N/A

Coordinates System: 
	Horizontal: CH1903+ / LV95 [EPSG: 2056]
	Vertical: LN02 height [EPSG: 5728]

Survey Report: https://object.cloud.sdsc.edu/v1/AUTH_opentopography/www/metadata/CH_50cmDEM_metadata.pdf


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Dataset Boundary in GeoJSON Format: https://raw.githubusercontent.com/OpenTopography/Data_Catalog_Spatial_Boundaries/main/OpenTopography_Raster/CH_50cmDEM.geojson

Dataset Extent (Bounding Box):
	North: 47.8216742°
	South: 45.7213375°
	East: 10.4998461°
	West: 5.9503666°