It looks like you are using adblocking software. I understand that ads are annoying, but this is one way for me to make a living on this site. As an alternative you might consider becoming a donating member. All ads are removed automatically for donating members.
'Het Nederlands Genootschap van Sint Jacob - NGSJ' (The Dutch Confraternity of Saint James) has a new downloadpage with many KML/GPX files. These files can be used in smartphones apps like Maps.me, but also in devices like Garmin.
The URL: https://www.santiago.nl/downloads
All these files go...