Cycling routes on the map: over 800 road and mountain bike routes across Finland, by municipality. Free, no registration and no paywall.
817 places in
Most cycling routes are in Kontiolahti (26), Vaasa (26) and Mäntyharju (25). The full list is below by municipality, and the map can be filtered to your own area.
The remaining places are on the map and in the municipality list.