[BadBadJellyBean]

Put one of these onto the hill and you might have more luck: https://de.aliexpress.com/item/1005011893329415.html

You could also use their site planner to plan out optimal placement: https://site.meshtastic.org/

[voidUpdate]

I don't own the hill and there are people living on it, and I don't particularly want to hang up nodes on council property or worse, private property