Love path tiles are usually found on flat or flattish grass, with flowers and water nearby. Usually love tiles will be within 5 - 7 tiles from the shore.
You should be able to can create your own love path tile by flattening a low 3x3 area close to open water and planting flowers on all of the tiles. Once planted, test each tile to see if it's "special" as the Love Tile does not have to be in the center. If the flowers are ever pickedremoved, the special tile may vanish, and . It must then be recreated, and may show up in a different spot than before. Sprouts spreading from trees and grazing animals can remove the flowers and therefore destroy the Path of Love special tile.(Quote from a wise person: ''A bit like love really, needs a bit of care and effort to stay strong''.)
It's rumored that trees can also be used instead of some of the flowers.