Cell towers in Colmar (Haut-Rhin)

3 churches or religious buildings and 23 buildings, 11 pylons and 1 water tower carry the commune's antennas.

Declared locations include Grosser Dornig, rue de la Cavalerie, 1 Rue de la 1ère Armée Française, avenue de la Foire aux Vins, 30-32 avenue de la Liberté and Kleines Theinheinmer Feld.

36 systems were switched on in the past 12 months. ANFR has approved 2 new sites that are not live yet, plus additions on 13 existing masts. New: Free Mobile (4G and 5G, including 5G at 3.5 GHz) at Oberharth and Free Mobile (4G and 5G, including 5G at 3.5 GHz) at 6 Place de la Gare. 26 Bouygues Telecom 5G transmitters are listed as technically operational — installed, but not yet declared commercially in service.

23 of the 38 masts are rooftop-mounted. The tallest support is 83 m at rue du Canal (pylon). The median height of measured supports is 30 m.

The commune owns 6 of the 38 masts, Totem owns 5.

2017 was the busiest year, with 117 new systems, most of them 4G. Local 5G started with Free Mobile in December 2020; Orange followed in December 2021, Bouygues Telecom followed in May 2022. The oldest transmitter still listed here goes back to 1998.

Of the 38 masts in the commune, 3 masts carry all four networks.

By mast count, Colmar is 2nd of the 18 Haut-Rhin towns that have five or more. With 38 masts for 66,970 residents, or 6 per 10,000, it has fewer masts per inhabitant than the median for those towns (8).

3.5 GHz 5G is declared by Orange on 19 of its 21 masts, Bouygues Telecom on 13 of its 23 masts, SFR on 13 of its 23 masts and Free Mobile on 12 of its 13 masts.

15 km to the west, neighbouring Orbey has only 6 masts.

Source: operator declarations to ANFR, as of October 2026. Projects that are only approved are left out of the totals.