You can build a hiking trail through almost any biome in the Overworld. In the Nether, it is recommended to build one in a Crimson Forest or Warped Forest biome. It is not ideal to build one in the End, as it is almost completely barren.
Large source of wood, saplings and apples
Wolves can be found in clearings
The wood can be used for paths
Wolves can be aggravated when hit
Much more resources than necessary - can cause inventory clutter
May require several axes, hoes or shears, which cost resources you may need
Lots of space
Easy to build
Almost no tools required
Too much open space, may not look natural
If you want to make it look natural you will need a lot of saplings
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