When using GraphHopper this is not the case. For hiking elevation is considered but hills are not explicitly avoided only slower for up and downhill. For bike w

When using GraphHopper this is not the case. For hiking elevation is considered but hills are not explicitly avoided only slower for up and downhill. For bike we avoid uphill. https://graphhopper.com/maps/ https://graphhopper.com/maps/ (click the dots near the bike icon for more profiles) And the best is: everything is open source and you can easily tweak it according to your needs.