Data sources

Every climb is built from open data. Here is where it comes from and under which licence. Each ride shows its own sources in the corner of the screen.

OpenStreetMap
Used for
roads and buildings, land cover
Where
worldwide
Licence
ODbL 1.0
© OpenStreetMap contributors
The OpenStreetMap-derived data in our route packs (the route, the buildings, the land classes) is open under the ODbL too. Download it per climb:
- Mont Ventoux: route.bin · near.c.gz · far.c.gz · houses.json
- Col de la Gineste: route.bin · near.c.gz · far.c.gz · houses.json
- Dentelles de Montmirail: route.bin · near.c.gz · far.c.gz · houses.json
- Cap d'Antibes: route.bin · near.c.gz · far.c.gz · houses.json
- Flanders Fields: route.bin · near.c.gz · far.c.gz · houses.json
- Flemish Ardennes: route.bin · near.c.gz · far.c.gz · houses.json
- Arenberg: route.bin · near.c.gz · far.c.gz · houses.json
- Damme–Sluis: route.bin · near.c.gz · far.c.gz · houses.json
- Alpe d'Huez: route.bin · near.c.gz · far.c.gz · houses.json
- Passo dello Stelvio: route.bin · near.c.gz · far.c.gz · houses.json
- Sa Calobra: route.bin · near.c.gz · far.c.gz · houses.json
- Alcúdia Bay: route.bin · near.c.gz · far.c.gz · houses.json
- Col du Tourmalet: offered to the pack's owners, on the pack's page
- Hautacam: offered to the pack's owners, on the pack's page
- Col d'Aubisque: offered to the pack's owners, on the pack's page
- Jaizkibel: offered to the pack's owners, on the pack's page
- Basque villages: offered to the pack's owners, on the pack's page
- Landes coast: offered to the pack's owners, on the pack's page
IGN (BD ORTHO, RGE ALTI, LiDAR HD)
Used for
land cover, elevation
Where
France
Licence
Licence Ouverte 2.0
Source: IGN, BD ORTHO, RGE ALTI and LiDAR HD, as published on the Géoplateforme in October 2026
Digitaal Hoogtemodel Vlaanderen II (DTM, 1 m)
Used for
elevation
Where
Belgium
Licence
Modellicentie Gratis Hergebruik
Bron: Digitaal Vlaanderen, Digitaal Hoogtemodel Vlaanderen II (2013-2015)
Relief de la Wallonie, Modèle Numérique de Terrain (MNT) 2021-2022
Used for
elevation
Where
Belgium
Licence
CC BY 4.0
Service public de Wallonie (SPW) - Relief de la Wallonie - Modèle Numérique de Terrain (MNT) 2021-2022 (2024-01-23)
Actueel Hoogtebestand Nederland (AHN)
Used for
elevation
Where
Netherlands
Licence
CC BY 4.0
CNIG, Modelo Digital del Terreno (MDT02, MDT05)
Used for
elevation
Where
Spain
Licence
CC BY 4.0
Obra derivada de MDT02 / MDT05 CC-BY 4.0 scne.es
Digitales Geländemodell Südtirol (DGM 2,5 m), Autonome Provinz Bozen
Used for
elevation
Where
Italy
Licence
CC0 1.0
ESA WorldCover 2021
Used for
land cover
Where
worldwide
Licence
CC BY 4.0
© ESA WorldCover project 2021 / Contains modified Copernicus Sentinel data (2021) processed by ESA WorldCover consortium. Modified by Grimpa: resampled into land classes along each route.
Mapterhorn
Used for
elevation
Where
worldwide
Licence
per source, listed by Mapterhorn
swissALTI3D, Federal Office of Topography swisstopo
Used for
elevation
Where
Switzerland, Liechtenstein
Licence
swisstopo OGD terms of use
Federal Office of Topography swisstopo (swissALTI3D)
LiDAR 2019, Modèle numérique de terrain (MNT), Administration du cadastre et de la topographie
Used for
elevation
Where
Luxembourg
Licence
CC0 1.0
ALS-DGM Höhenraster 1 m, BEV – Bundesamt für Eich- und Vermessungswesen
Used for
elevation
Where
Austria
Licence
CC BY 4.0
© BEV – Bundesamt für Eich- und Vermessungswesen, ALS-DGM Höhenraster 1 m; gaps from Land Kärnten, Land Oberösterreich, Land Salzburg, Land Burgenland and geoland.at (data.gv.at), CC BY 4.0. Modified: resampled by Mapterhorn and Grimpa.
Digitale Geländemodelle (DGM1) der Länder (GeoBasis-DE)
Used for
elevation
Where
Germany
Licence
dl-de/by-2.0, dl-de/zero-2.0, CC BY 4.0 (by Land)
Bayerische Vermessungsverwaltung – www.geodaten.bayern.de (CC BY 4.0); LGL, www.lgl-bw.de, dl-de/by-2-0; © GeoBasis-DE/LGB, dl-de/by-2-0; Landesamt GeoInformation Bremen (CC BY 4.0); Freie und Hansestadt Hamburg, LGV, dl-de/by-2-0; HVBG Hessen (dl-de/zero-2-0); © GeoBasis-DE/M-V 2025 (CC BY 4.0); © LGLN 2025 (CC BY 4.0); Land NRW (dl-de/zero-2-0); ©GeoBasis-DE / LVermGeoRP 2025, dl-de/by-2-0; GeoBasis DE/LVGL-SL 2025, dl-de/by-2-0; GeoSN, dl-de/by-2-0; © GeoBasis-DE / LVermGeo ST, dl-de/by-2-0; © GeoBasis-DE/LVermGeo SH/CC BY 4.0; © GDI-Th, dl-de/by-2-0; Geoportal Berlin / ATKIS DGM (dl-de/zero-2-0). Data modified: resampled by Mapterhorn and Grimpa. Licence: www.govdata.de/dl-de/by-2-0
TINITALY 1.1, Istituto Nazionale di Geofisica e Vulcanologia (INGV)
Used for
elevation
Where
Italy, San Marino
Licence
CC BY 4.0
Tarquini S., Isola I., Favalli M., Battistini A., Dotta G. (2023). TINITALY, a digital elevation model of Italy with a 10 meters cell size (Version 1.1). INGV. https://doi.org/10.13127/tinitaly/1.1
Modello Digitale del Terreno (DTM), Regione Autonoma Valle d'Aosta
Used for
elevation
Where
Italy
Licence
CC BY 4.0
Dati estratti dal Modello Digitale del Terreno (DTM) della Regione Autonoma Valle d'Aosta
DTM 5 m (Ripresa aerea ICE 2009-2011), Regione Piemonte
Used for
elevation
Where
Italy
Licence
CC BY 4.0
DTM 5x5 (ed. 2015), Regione Lombardia
Used for
elevation
Where
Italy
Licence
CC BY 4.0
LiDAR PAT 2014 (con voli 2018), Provincia Autonoma di Trento
Used for
elevation
Where
Italy
Licence
CC BY 2.5 IT
MDT 2 m (Volo ATA 2012-2013), Regione Siciliana – Assessorato del Territorio e dell'Ambiente
Used for
elevation
Where
Italy
Licence
CC BY 4.0
DTM 1 m (fascia costiera 2008, centri urbani 2013), Regione Autonoma della Sardegna
Used for
elevation
Where
Italy
Licence
CC BY 4.0
Danmarks Højdemodel – Terræn (DHM), Klimadatastyrelsen
Used for
elevation
Where
Denmark
Licence
CC BY 4.0
Indeholder data fra Klimadatastyrelsen, Danmarks Højdemodel – Terræn, 2025
Terrengmodell (DTM 1 m), Kartverket
Used for
elevation
Where
Norway
Licence
CC BY 4.0
©Kartverket
Markhöjdmodell, Lantmäteriet
Used for
elevation
Where
Sweden
Licence
CC0 1.0
Elevation model 2 m, National Land Survey of Finland
Used for
elevation
Where
Finland
Licence
CC BY 4.0
Contains data from the National Land Survey of Finland Elevation model 2 m (2025)
Numeryczny Model Terenu (NMT 1 m, 5 m), Główny Urząd Geodezji i Kartografii (GUGiK)
Used for
elevation
Where
Poland
Licence
Prawo geodezyjne i kartograficzne, art. 40a/40c (open data)
Źródło: Główny Urząd Geodezji i Kartografii (GUGiK), Numeryczny Model Terenu, geoportal.gov.pl
Digitální model reliéfu ČR 4. generace (DMR 4G), ČÚZK
Used for
elevation
Where
Czechia
Licence
CC BY 4.0
© ČÚZK, DMR 4G
Digitálny model reliéfu DMR 5.0, ÚGKK SR
Used for
elevation
Where
Slovakia
Licence
CC BY 4.0
© ÚGKK SR, DMR 5.0
Digitalni model reliefa (DMR, LiDAR), Agencija Republike Slovenije za okolje (ARSO)
Used for
elevation
Where
Slovenia
Licence
CC BY 4.0
Agencija Republike Slovenije za okolje (ARSO), digitalni model reliefa (LiDAR), 2014-2015
Elevation data 1 m, Republic of Estonia Land and Spatial Development Board
Used for
elevation
Where
Estonia
Licence
Land Board open data licence 2025
Elevation data 2021-2024: Republic of Estonia Land and Spatial Development Board
Digitālais reljefa modelis (20 m), Latvijas Ģeotelpiskās informācijas aģentūra
Used for
elevation
Where
Latvia
Licence
CC BY 4.0
Modelos Digitais do Terreno LiDAR, Direção-Geral do Território
Used for
elevation
Where
Portugal
Licence
CC BY 4.0
LiDAR DTM 1 m: Environment Agency (England), Welsh Government and NRW (Wales), Scottish Government LiDAR Phase 1
Used for
elevation
Where
United Kingdom
Licence
Open Government Licence v3.0
Contains public sector information licensed under the Open Government Licence v3.0. © Environment Agency copyright and/or database right 2022. All rights reserved. Contains Natural Resources Wales information © Natural Resources Wales and Database Right. All rights Reserved. Crown copyright Scottish Government, SEPA and Scottish Water (2012).
USGS 3D Elevation Program (3DEP), 1 m and 1/3 arc-second DEMs
Used for
elevation
Where
United States
Licence
Public domain (U.S. Government work)
Credit: U.S. Geological Survey
Natural Resources Canada, High Resolution Digital Elevation Model Mosaic (HRDEM, CanElevation Series)
Used for
elevation
Where
Canada
Licence
Open Government Licence – Canada 2.0
Contains information licensed under the Open Government Licence – Canada.
Geoscience Australia, Digital Elevation Model (DEM) of Australia derived from LiDAR 5 Metre Grid
Used for
elevation
Where
Australia
Licence
CC BY 4.0
© Commonwealth of Australia (Geoscience Australia) 2015. Modified by Grimpa: resampled along each route.
Tasmania 2 metre Digital Elevation Model (The LIST)
Used for
elevation
Where
Australia
Licence
CC BY 3.0 AU
The LIST © State of Tasmania

Grimpa is not endorsed by, or affiliated with, any of these providers. We changed their data to build the climbs: classified, resampled and combined.

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