Wondering how to build a Minecraft Nether portal and what the dimensions are? This supernatural portal is a gateway between worlds, separating the overworld and Nether (a menacing hellscape full of hostile mobs). If you want to access the Nether, your only way in is through this ominous purple door, so, how do you build and use a Nether portal to travel to the Nether?

After building a Minecraft Nether portal following the requirements below, you can use it to teleport to the Nether by simply walking into its purple haze. Within seconds, you’ll be in a hellish Minecraft landscape full of lava and monsters. Most Minecraft mobs and other entities can enter or exit the Nether portal in Minecraft, with the exception of a Minecraft wither and ender dragon – just as well, you certainly don’t want either of those sneaking up on you. If you’re daring enough, you can also use Nether portals to travel through the overworld faster, so keep reading to calculate distances.

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