There is a barrier. Cannot enter the Camping Bellevue here. The entry is from the other side.

LA CHEVRERIE DES ARAVIS Fromages de Chèvres et Glaces aux Myrtilles et Framboises.

On this address : 247 Av. de l'Aiguille du Midi, 74400 Chamonix-Mont-Blanc there is a Café Marie Blachère :

https://maps.app.goo.gl/mCsXge99kEwn8yj67

Unable to answer "What height limit is indicated here?" – Railway-Road Crossing – node/275437626 via StreetComplete 61.3:

Il n'y a pas de limite de hauteur, pour ce passage à niveau

à priori, ici il y a un power=substation. A vérifier sur le terrain

Terrain agrandi

Unable to answer "Is this still here?" for node/6329093706 via StreetComplete 53.2:

Centre paramédical et médecines douces

Attached photo(s):
https://westnordost.de/p/161599.jpg

"Pas de trace de quelque type de chaine que ce soit"
The place has gone or never existed. A CoMaps user reported that the POI was visible on the map (see snapshot date below), but was not found on the ground.
OSM snapshot date: 2025-09-06T09:48:08Z
POI has no name
POI types: barrier-chain
#CoMaps android

Cet itinéraire comprend des panneau sans information de direction.
A cet endroit précis, un autre sentier en "doublon" existe, et peu tromper les passants.