Hi Jakka, not sure I understand.  Can you spot height differences on aerial images?  Or do you mean mapillary imagery?

Hi Macumba, why do you suspect this (and maybe also: what do you mean exactly with 'not official')

If I look at the strava heatmap, both paths are used 'frequently'

https://www.strava.com/heatmap#17.87/4.89874/50.33308/hot/all