Bicycle routes de facto do not exist. At least not as purely like that.
By bike (theoretically) you can pass the same place as you pass on foot
So some sections are declared cycling routes, and you can go there in another way.
That is why dedicated software is used that makes certain compromises and is adapted to that purpose

Here, in this section:
[Only registered and activated users can see links. ]
[Only registered and activated users can see links. ]