Cell towers in La Montagne (Loire-Atlantique)

1 church or religious building and 3 pylons and 1 building carry the commune's antennas.

Place names on the register include Allée du Château D'aux, Allee du Chateau D aux, 1 place de l'Eglise and 9 allée du Mortier.

Inventory: a 31 m pylon, at Allée du Château D'aux, for Free Mobile; a 33 m pylon, at Allee du Chateau D aux, for SFR; a 31 m church or religious building, at 1 place de l'Eglise, for Bouygues Telecom, Orange and SFR; a 26 m pylon, at 9 allée du Mortier, for Bouygues Telecom.

2018 was the busiest year, with 9 new systems, most of them 4G. SFR switched on the first 5G here in April 2021; Free Mobile followed in April 2021, Bouygues Telecom followed in December 2021. The oldest transmitter still listed here goes back to 1997.

The highest support stands 33 m at Allee du Chateau D aux (pylon). The median height of measured supports is 31 m.

3.5 GHz 5G is declared by Bouygues Telecom on all 2 masts, Free Mobile on all 2 masts, Orange on its only mast and SFR on 1 of its 2 masts.

4 Bouygues Telecom 5G transmitters are listed as technically operational — installed, but not yet declared commercially in service.

Saint-Herblain lies 3.5 km to the north-east and has 43 masts, more than here.

By mast count, La Montagne is 54th of the 65 Loire-Atlantique towns that have five or more.

Of the 53 systems declared here, 12 are installed but not yet in commercial service (ANFR, as of October 2026).